diff --git a/hxformat.json b/hxformat.json
index 7bf0a43..d1dca53 100644
--- a/hxformat.json
+++ b/hxformat.json
@@ -1,5 +1,8 @@
 {
   "indentation": {
     "character": "  "
+  },
+  "wrapping": {
+    "maxLineLength": 120
   }
 }
diff --git a/package.json b/package.json
index 99b4416..e77daf8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "puzzlez",
-  "version": "0.5.1",
+  "version": "0.6.0",
   "private": true,
   "devDependencies": {
     "dateformat": "^3.0.3",
diff --git a/puzzlez.code-workspace b/puzzlez.code-workspace
index f5ff926..d62e6aa 100644
--- a/puzzlez.code-workspace
+++ b/puzzlez.code-workspace
@@ -1,46 +1,53 @@
 {
   "folders": [
     {
-      "path": "."
-    }
+      "path": ".",
+    },
   ],
   "settings": {
     "haxe.executable": {
       "path": "/home/shmyga/sdk/haxe/4.2.5/haxe",
       "env": {
-        "HAXE_STD_PATH": "/home/shmyga/sdk/haxe/4.2.5/std"
-      }
+        "HAXE_STD_PATH": "/home/shmyga/sdk/haxe/4.2.5/std",
+      },
     },
     "haxe.configurations": [["build/app/flash/haxe/debug.hxml"]],
     "haxe.displayServer": {
       "arguments": [
         //"-v"
-      ]
-    }
+      ],
+    },
   },
   "extensions": {
-    "recommendations": ["nadako.vshaxe"]
+    "recommendations": ["nadako.vshaxe"],
   },
   "launch": {
     "version": "0.2.0",
     "configurations": [
       {
-        "args": ["app:flash:test"],
-        "name": "app:flash:test",
+        "args": ["${input:target}"],
+        "name": "${input:target}",
         "program": "${workspaceFolder}/node_modules/gulp/bin/gulp.js",
         "request": "launch",
         "skipFiles": ["<node_internals>/**"],
-        "type": "node"
+        "type": "node",
+        "consoleTitle": "${input:target}",
       },
-      {
-        "args": ["server:cpp:test"],
-        "name": "server:cpp:test",
-        "program": "${workspaceFolder}/node_modules/gulp/bin/gulp.js",
-        "request": "launch",
-        "skipFiles": ["<node_internals>/**"],
-        "type": "node"
-      }
     ],
-    "compounds": []
-  }
+    "inputs": [
+      {
+        "id": "target",
+        "description": "Please enter target name",
+        "options": [
+          "app:flash:test",
+          "app:html5:test",
+          "app:linux:test",
+          "server:cpp:test",
+        ],
+        "type": "pickString",
+        "default": "app:flash:test",
+      },
+    ],
+    "compounds": [],
+  },
 }
diff --git a/src/app/haxe/ru/m/puzzlez/PuzzlezApp.hx b/src/app/haxe/ru/m/puzzlez/PuzzlezApp.hx
index 6abfba3..6fc3670 100644
--- a/src/app/haxe/ru/m/puzzlez/PuzzlezApp.hx
+++ b/src/app/haxe/ru/m/puzzlez/PuzzlezApp.hx
@@ -8,6 +8,7 @@ import ru.m.puzzlez.render.part.IPartBuilder;
 import ru.m.puzzlez.settings.Settings;
 import ru.m.puzzlez.source.AssetImageSource;
 import ru.m.puzzlez.source.FileImageSource;
+import ru.m.puzzlez.source.NginxImageSource;
 import ru.m.puzzlez.source.PixabayImageSource;
 import ru.m.puzzlez.source.UnsplashImageSource;
 import ru.m.puzzlez.storage.GameStorage;
@@ -25,8 +26,9 @@ class PuzzlezApp {
     GameStorage;
     sourceBundle.register(new AssetImageSource());
     sourceBundle.register(new FileImageSource());
-    sourceBundle.register(new PixabayImageSource());
-    sourceBundle.register(new UnsplashImageSource());
+    sourceBundle.register(new PixabayImageSource(CompilationOption.get("PIXABAY_KEY")));
+    sourceBundle.register(new UnsplashImageSource(CompilationOption.get("UNSPLASH_KEY")));
+    sourceBundle.register(new NginxImageSource("https://home.shmyga.ru/puzzlez/"));
     L.push(new TraceLogger());
     updater = new Updater(Const.instance.VERSION, "https://shmyga.ru/repo/puzzlez/packages.json");
     var app = new App();
diff --git a/src/app/haxe/ru/m/puzzlez/PuzzlezTheme.hx b/src/app/haxe/ru/m/puzzlez/PuzzlezTheme.hx
index eeea168..6c5c53a 100644
--- a/src/app/haxe/ru/m/puzzlez/PuzzlezTheme.hx
+++ b/src/app/haxe/ru/m/puzzlez/PuzzlezTheme.hx
@@ -24,6 +24,10 @@ class PuzzlezTheme extends Theme {
   public function new() {
     super({embed: true}, {light: "gray"}, {base: "4h"});
     register(new Style("frame", ["geometry.padding" => Box.fromFloat(8),]));
+    register(new Style("button.source", [
+      "geometry.width" => SizeValue.fromString("30%"),
+      "geometry.height" => SizeValue.fromString("40%"),
+    ], "button"));
     register(new Style("view", [
       "skin.background.color" => colors.light,
       "skin.border.color" => colors.border,
diff --git a/src/app/haxe/ru/m/puzzlez/core/ImageSource.hx b/src/app/haxe/ru/m/puzzlez/core/ImageSource.hx
index 32356f4..7c4b70e 100644
--- a/src/app/haxe/ru/m/puzzlez/core/ImageSource.hx
+++ b/src/app/haxe/ru/m/puzzlez/core/ImageSource.hx
@@ -7,4 +7,5 @@ import ru.m.puzzlez.proto.game.ImageId;
 interface ImageSource extends DataSource<ImageId> {
   public var id(default, never):String;
   public function load(id:String, thumb:Bool = false):Promise<ImageValue>;
+  public function getCategories():Null<Promise<Array<String>>>;
 }
diff --git a/src/app/haxe/ru/m/puzzlez/render/PartView.hx b/src/app/haxe/ru/m/puzzlez/render/PartView.hx
index 800f2f7..858806c 100644
--- a/src/app/haxe/ru/m/puzzlez/render/PartView.hx
+++ b/src/app/haxe/ru/m/puzzlez/render/PartView.hx
@@ -101,8 +101,8 @@ class SpritePartView extends PartView {
 
     if (playerId != null) {
       var rect = cast(part.rect, RectangleExt).clone();
-      rect.x += (image.width - size.x) / 2;
-      rect.y += (image.height - size.y) / 2;
+      rect.x = (image.width - size.x) / 2;
+      rect.y = (image.height - size.y) / 2;
       var path = builder.build(rect, part.bounds);
       graphics.lineStyle(4, 0xffff00, 0.3);
       path.draw(graphics);
diff --git a/src/app/haxe/ru/m/puzzlez/source/AssetImageSource.hx b/src/app/haxe/ru/m/puzzlez/source/AssetImageSource.hx
index 599a4ce..4b741f6 100644
--- a/src/app/haxe/ru/m/puzzlez/source/AssetImageSource.hx
+++ b/src/app/haxe/ru/m/puzzlez/source/AssetImageSource.hx
@@ -13,6 +13,7 @@ class AssetImageSource implements ImageSource {
 
   private var _data:Array<ImageId>;
   private var data(get, null):Array<ImageId>;
+  private var key:String;
 
   private function get_data():Array<ImageId> {
     if (_data == null) {
@@ -21,11 +22,14 @@ class AssetImageSource implements ImageSource {
     return _data;
   }
 
-  public function new() {}
+  public function new(key:String = "resources/image") {
+    this.key = key;
+  }
 
   private function resolveData():Array<ImageId> {
+    var keyLength = this.key.length;
     return [
-      for (name in Assets.list(AssetType.IMAGE).filter((name:String) -> name.substr(0, 15) == "resources/image"))
+      for (name in Assets.list(AssetType.IMAGE).filter((name:String) -> name.substr(0, keyLength) == this.key))
         new ImageId().setSource(id).setId(name)
     ];
   }
@@ -41,4 +45,8 @@ class AssetImageSource implements ImageSource {
   public function load(id:String, thumb:Bool = false):Promise<ImageValue> {
     return Promise.promise(ImageValue.BITMAP(Assets.getBitmapData(id)));
   }
+
+  public function getCategories():Null<Promise<Array<String>>> {
+    return null;
+  }
 }
diff --git a/src/app/haxe/ru/m/puzzlez/source/FileImageSource.hx b/src/app/haxe/ru/m/puzzlez/source/FileImageSource.hx
index 7b640a4..9224d11 100644
--- a/src/app/haxe/ru/m/puzzlez/source/FileImageSource.hx
+++ b/src/app/haxe/ru/m/puzzlez/source/FileImageSource.hx
@@ -27,4 +27,8 @@ class FileImageSource implements ImageSource {
   public function load(id:String, thumb:Bool = false):Promise<ImageValue> {
     return storage.get(id).then(bytes -> ImageValue.BYTES(bytes));
   }
+
+  public function getCategories():Null<Promise<Array<String>>> {
+    return null;
+  }
 }
diff --git a/src/app/haxe/ru/m/puzzlez/source/NginxImageSource.hx b/src/app/haxe/ru/m/puzzlez/source/NginxImageSource.hx
new file mode 100644
index 0000000..6ce53fc
--- /dev/null
+++ b/src/app/haxe/ru/m/puzzlez/source/NginxImageSource.hx
@@ -0,0 +1,78 @@
+package ru.m.puzzlez.source;
+
+import hw.net.JsonLoader;
+import promhx.Promise;
+import ru.m.data.DataSource;
+import ru.m.puzzlez.core.ImageSource;
+import ru.m.puzzlez.core.ImageValue;
+import ru.m.puzzlez.proto.game.ImageId;
+
+enum abstract NginxResponseItemType(String) from String to String {
+  var FILE = "file";
+  var DIRECTORY = "directory";
+}
+
+typedef NginxResponseItem = {
+  var name:String;
+  var type:NginxResponseItemType;
+  var mtime:String;
+  var size:Int;
+}
+
+typedef NginxResponse = Array<NginxResponseItem>;
+
+class NginxImageSource implements ImageSource {
+  public var id(default, never):String = "nginx";
+
+  private var baseUrl:String;
+
+  public function new(baseUrl:String) {
+    this.baseUrl = baseUrl;
+  }
+
+  private function buildUrl(name:String):String {
+    return baseUrl + name;
+  }
+
+  public function getPage(page:Page):Promise<DataPage<ImageId>> {
+    var category = page.filter.get("category");
+    return new JsonLoader<NginxResponse>().GET(category != null ? this.baseUrl + category + "/" : this.baseUrl)
+      .then((response:NginxResponse) -> {
+        var data:Array<ImageId> = [];
+        for (item in response) {
+          if (item.type == NginxResponseItemType.FILE) {
+            var itemId = category != null ? category + "@" + item.name : item.name;
+            data.push(new ImageId().setSource(id).setId(itemId));
+          }
+        }
+        return {
+          page: page,
+          data: data,
+          total: response.length,
+        }
+      });
+  }
+
+  public function load(id:String, thumb:Bool = false):Promise<ImageValue> {
+    var url = this.baseUrl + StringTools.replace(id, "@", "/");
+    if (thumb) {
+      var parts = url.split(".");
+      var index = parts.length - 2;
+      parts[index] = parts[index] + "-thumbnail";
+      url = parts.join(".");
+    }
+    return Promise.promise(ImageValue.URL(url));
+  }
+
+  public function getCategories():Null<Promise<Array<String>>> {
+    return new JsonLoader<NginxResponse>().GET(this.baseUrl).then((response:NginxResponse) -> {
+      var data:Array<String> = [];
+      for (item in response) {
+        if (item.type == NginxResponseItemType.DIRECTORY) {
+          data.push(item.name);
+        }
+      }
+      return data;
+    });
+  }
+}
diff --git a/src/app/haxe/ru/m/puzzlez/source/PixabayImageSource.hx b/src/app/haxe/ru/m/puzzlez/source/PixabayImageSource.hx
index d200fe4..12b693c 100644
--- a/src/app/haxe/ru/m/puzzlez/source/PixabayImageSource.hx
+++ b/src/app/haxe/ru/m/puzzlez/source/PixabayImageSource.hx
@@ -14,24 +14,24 @@ class PixabayImageSource implements ImageSource {
 
   private static var imageUrlsCache:Map<String, String> = new Map();
 
-  public function new() {
-    var key:String = CompilationOption.get("PIXABAY_KEY");
+  public function new(key:String) {
     api = new PixabayApi(key);
   }
 
   public function getPage(page:Page):Promise<DataPage<ImageId>> {
-    return this.api.getPage(page.index + 1, page.count, page.filter.get("category")).then((response:PixabayResponse) -> {
-      var data:Array<ImageId> = [];
-      for (hit in response.hits) {
-        imageUrlsCache.set('${hit.id}', hit.largeImageURL);
-        data.push(new ImageId().setSource(id).setId(Std.string(hit.id)));
-      }
-      return {
-        page: page,
-        data: data,
-        total: response.totalHits,
-      }
-    });
+    return this.api.getPage(page.index + 1, page.count, page.filter.get("category"))
+      .then((response:PixabayResponse) -> {
+        var data:Array<ImageId> = [];
+        for (hit in response.hits) {
+          imageUrlsCache.set('${hit.id}', hit.largeImageURL);
+          data.push(new ImageId().setSource(id).setId(Std.string(hit.id)));
+        }
+        return {
+          page: page,
+          data: data,
+          total: response.totalHits,
+        }
+      });
   }
 
   public function load(id:String, thumb:Bool = false):Promise<ImageValue> {
@@ -50,4 +50,8 @@ class PixabayImageSource implements ImageSource {
       });
     }
   }
+
+  public function getCategories():Null<Promise<Array<String>>> {
+    return Promise.promise(AbstractEnumTools.getValues(PixabayCategory));
+  }
 }
diff --git a/src/app/haxe/ru/m/puzzlez/source/UnsplashImageSource.hx b/src/app/haxe/ru/m/puzzlez/source/UnsplashImageSource.hx
index 3b48203..98f46ca 100644
--- a/src/app/haxe/ru/m/puzzlez/source/UnsplashImageSource.hx
+++ b/src/app/haxe/ru/m/puzzlez/source/UnsplashImageSource.hx
@@ -51,8 +51,7 @@ class UnsplashImageSource implements ImageSource {
 
   private static var resolver:ImageResolver;
 
-  public function new() {
-    var key:String = CompilationOption.get("UNSPLASH_KEY");
+  public function new(key:String) {
     api = new UnsplashApi(key);
     resolver = new ImageResolver((imageId, thumb) -> {
       return api.get(imageId).then(data -> thumb ? data.urls.small : data.urls.regular);
@@ -60,22 +59,28 @@ class UnsplashImageSource implements ImageSource {
   }
 
   public function getPage(page:Page):Promise<DataPage<ImageId>> {
-    return this.api.getPage(page.index + 1, page.count, page.filter.get("category")).then((response:UnsplashResponse) -> {
-      var data:Array<ImageId> = [];
-      for (image in response.results) {
-        resolver.setValue(image.id, image.urls.small, true);
-        resolver.setValue(image.id, image.urls.regular);
-        data.push(new ImageId().setSource(id).setId(image.id));
-      }
-      return {
-        page: page,
-        data: data,
-        total: response.total,
-      }
-    });
+    return this.api.getPage(page.index + 1, page.count, page.filter.get("category"))
+      .then((response:UnsplashResponse) -> {
+        var data:Array<ImageId> = [];
+        for (image in response.results) {
+          resolver.setValue(image.id, image.urls.small, true);
+          resolver.setValue(image.id, image.urls.regular);
+          data.push(new ImageId().setSource(id).setId(image.id));
+        }
+        return {
+          page: page,
+          data: data,
+          total: response.total,
+        }
+      });
   }
 
   public function load(id:String, thumb:Bool = false):Promise<ImageValue> {
     return resolver.resolve(id, thumb);
   }
+
+  public function getCategories():Null<Promise<Array<String>>> {
+    // TODO: unsplash categories list
+    return Promise.promise([]);
+  }
 }
diff --git a/src/app/haxe/ru/m/puzzlez/view/GameFrame.hx b/src/app/haxe/ru/m/puzzlez/view/GameFrame.hx
index cc5df69..8bebf6f 100644
--- a/src/app/haxe/ru/m/puzzlez/view/GameFrame.hx
+++ b/src/app/haxe/ru/m/puzzlez/view/GameFrame.hx
@@ -34,6 +34,7 @@ import ru.m.puzzlez.view.popup.PreviewPopup;
   }
 
   override public function onShow(state:GameState):Void {
+    L.d("Frame", '$ID: ${state.preset.image.source}:${state.preset.image.id}');
     onHide();
     if (state.online) {
       // game = new NetworkGame(state);
diff --git a/src/app/haxe/ru/m/puzzlez/view/GameListFrame.hx b/src/app/haxe/ru/m/puzzlez/view/GameListFrame.hx
index c149abe..1f31591 100644
--- a/src/app/haxe/ru/m/puzzlez/view/GameListFrame.hx
+++ b/src/app/haxe/ru/m/puzzlez/view/GameListFrame.hx
@@ -27,6 +27,7 @@ typedef GameListConfig = {
   }
 
   override public function onShow(data:GameListConfig):Void {
+    L.d("Frame", '$ID: $data');
     games.reset();
     if (data != null) {
       header.text = data.title;
diff --git a/src/app/haxe/ru/m/puzzlez/view/ImageListFrame.hx b/src/app/haxe/ru/m/puzzlez/view/ImageListFrame.hx
index a2f0593..ff18146 100644
--- a/src/app/haxe/ru/m/puzzlez/view/ImageListFrame.hx
+++ b/src/app/haxe/ru/m/puzzlez/view/ImageListFrame.hx
@@ -23,11 +23,18 @@ typedef ImageListConfig = {
   @:provide var switcher:FrameSwitcher;
   @:provide var sourceBundle:ImageSourceBundle;
 
+  private var config:ImageListConfig;
+
   public function new() {
     super(ID);
   }
 
   override public function onShow(data:ImageListConfig):Void {
+    if (data == null) {
+      data = config;
+    }
+    L.d("Frame", '$ID: $data');
+    config = data;
     images.reset();
     if (data != null) {
       header.text = data.title;
diff --git a/src/app/haxe/ru/m/puzzlez/view/PresetFrame.hx b/src/app/haxe/ru/m/puzzlez/view/PresetFrame.hx
index 1715993..941fa9d 100644
--- a/src/app/haxe/ru/m/puzzlez/view/PresetFrame.hx
+++ b/src/app/haxe/ru/m/puzzlez/view/PresetFrame.hx
@@ -48,6 +48,7 @@ import ru.m.puzzlez.view.common.PresetView;
 
   override public function onShow(data:ImageId):Void {
     super.onShow(data);
+    L.d("Frame", '$ID: ${data.source}:${data.id}');
     imageId = data;
     selectSize(sizesView.data[sizesView.data.length - 1]);
   }
diff --git a/src/app/haxe/ru/m/puzzlez/view/StartFrame.hx b/src/app/haxe/ru/m/puzzlez/view/StartFrame.hx
index 5346ca9..855c0b3 100644
--- a/src/app/haxe/ru/m/puzzlez/view/StartFrame.hx
+++ b/src/app/haxe/ru/m/puzzlez/view/StartFrame.hx
@@ -4,8 +4,8 @@ import hw.view.data.DataView;
 import hw.view.form.ButtonView;
 import hw.view.frame.FrameSwitcher;
 import hw.view.frame.FrameView;
-import ru.m.api.PixabayApi;
 import ru.m.puzzlez.FileUtil;
+import ru.m.puzzlez.image.ImageSourceBundle;
 import ru.m.puzzlez.proto.game.GameStatus;
 import ru.m.puzzlez.storage.FileStorage;
 import ru.m.puzzlez.storage.GameStorage;
@@ -27,24 +27,41 @@ import ru.m.update.Updater;
 
   @:provide var fileStorage:FileStorage;
   @:provide var gameStorage:GameStorage;
+  @:provide var sourceBundle:ImageSourceBundle;
 
   private var fileSource:ImageListConfig = {title: "Files", sourceId: "file"};
-  private var startedGames:GameListConfig = {title: "Started", source: gameStorage, filter: ["status" => GameStatus.STARTED]};
-  private var completedGames:GameListConfig = {title: "Completed", source: gameStorage, filter: ["status" => GameStatus.COMPLETE]};
+  private var startedGames:GameListConfig = {
+    title: "Started",
+    source: gameStorage,
+    filter: ["status" => GameStatus.STARTED]
+  };
+  private var completedGames:GameListConfig = {
+    title: "Completed",
+    source: gameStorage,
+    filter: ["status" => GameStatus.COMPLETE]
+  };
 
   public function new() {
     super(ID);
     var data:Array<ImageListConfig> = [];
-    // data.push({title: "Assets", sourceId: "asset"});
-    data.push(fileSource);
-    for (type in AbstractEnumTools.getValues(PixabayCategory)) {
-      data.push({title: type, sourceId: "unsplash", filter: ["category" => type]});
-    }
+    sourceBundle.get(fileSource.sourceId).getPage({index: 0, count: 0}).then((page) -> {
+      if (page.total > 0) {
+        data.unshift(fileSource);
+        sources.data = data;
+      }
+    });
     sources.data = data;
+    sourceBundle.get("nginx").getCategories().then((categories) -> {
+      for (category in categories) {
+        data.push({title: category, sourceId: "nginx", filter: ["category" => category]});
+      }
+      sources.data = data;
+    });
   }
 
   private function sourceViewFactory(index:Int, source:ImageListConfig):ButtonView {
     var result = new ButtonView();
+    result.style = "button.source";
     result.text = source.title;
     return result;
   }
@@ -62,6 +79,7 @@ import ru.m.update.Updater;
   }
 
   override public function onShow(data:Dynamic):Void {
+    L.d("Frame", '$ID');
     appUpdater.check().then((info:Null<PackageInfo>) -> {
       if (info != null) {
         updateButton.visible = true;
@@ -74,9 +92,11 @@ import ru.m.update.Updater;
   private function refresh():Void {
     gameStorage.getIndexPage({index: 0, count: 0, filter: startedGames.filter}).then(response -> {
       startedButton.text = response.total > 0 ? 'Started (${response.total})' : 'Started';
+      startedButton.disabled = response.total == 0;
     });
     gameStorage.getIndexPage({index: 0, count: 0, filter: completedGames.filter}).then(response -> {
       completedButton.text = response.total > 0 ? 'Completed (${response.total})' : 'Completed';
+      completedButton.disabled = response.total == 0;
     });
   }
 }
diff --git a/src/app/haxe/ru/m/storage/SharedObjectDataStorage.hx b/src/app/haxe/ru/m/storage/SharedObjectDataStorage.hx
index af28af6..dd9b784 100644
--- a/src/app/haxe/ru/m/storage/SharedObjectDataStorage.hx
+++ b/src/app/haxe/ru/m/storage/SharedObjectDataStorage.hx
@@ -1,10 +1,10 @@
 package ru.m.storage;
 
-import haxe.Unserializer;
 import flash.net.SharedObject;
+import haxe.Serializer;
+import haxe.Unserializer;
 import haxe.crypto.Md5;
 import haxe.io.Bytes;
-import haxe.Serializer;
 import promhx.Promise;
 import ru.m.data.DataSource;
 
@@ -124,7 +124,8 @@ class SharedObjectDataStorage<D, I> implements DataStorage<D, I> {
       }
     }
     applyOrder(page.order, values);
-    var result:Array<I> = values.slice(page.index * page.count, page.index * page.count + page.count).map(value -> value.id);
+    var result:Array<I> = values.slice(page.index * page.count, page.index * page.count + page.count)
+      .map(value -> value.id);
     return Promise.promise({
       page: page,
       total: values.length,
@@ -138,7 +139,7 @@ class SharedObjectDataStorage<D, I> implements DataStorage<D, I> {
         return {
           page: indexPage.page,
           total: indexPage.total,
-          data: data,
+          data: data.filter((item:D) -> item != null),
         }
       });
     });