diff --git a/examples/example 12 - Spine/data/iP4_ground.jpg b/examples/example 12 - Spine/data/iP4_ground.jpg
deleted file mode 100644
index 3bde6d0..0000000
--- a/examples/example 12 - Spine/data/iP4_ground.jpg
+++ /dev/null
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diff --git a/examples/example 12 - Spine/data/iP4_ground.jpg b/examples/example 12 - Spine/data/iP4_ground.jpg
deleted file mode 100644
index 3bde6d0..0000000
--- a/examples/example 12 - Spine/data/iP4_ground.jpg
+++ /dev/null
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diff --git a/examples/example 12 - Spine/data/iP4_ground.png b/examples/example 12 - Spine/data/iP4_ground.png
new file mode 100644
index 0000000..a7f92af
--- /dev/null
+++ b/examples/example 12 - Spine/data/iP4_ground.png
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diff --git a/examples/example 12 - Spine/data/iP4_ground.jpg b/examples/example 12 - Spine/data/iP4_ground.jpg
deleted file mode 100644
index 3bde6d0..0000000
--- a/examples/example 12 - Spine/data/iP4_ground.jpg
+++ /dev/null
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diff --git a/examples/example 12 - Spine/data/iP4_ground.png b/examples/example 12 - Spine/data/iP4_ground.png
new file mode 100644
index 0000000..a7f92af
--- /dev/null
+++ b/examples/example 12 - Spine/data/iP4_ground.png
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diff --git a/examples/example 12 - Spine/index_pixie.html b/examples/example 12 - Spine/index_pixie.html
index 8a32112..c21639b 100644
--- a/examples/example 12 - Spine/index_pixie.html
+++ b/examples/example 12 - Spine/index_pixie.html
@@ -19,7 +19,7 @@
 	
 	// create an array of assets to load
 	
-	var assetsToLoader = ["../../logo_small.png", "data/PixieSpineData.json", "data/Pixie.json", "data/iP4_BGtile.jpg", "data/iP4_ground.jpg"];
+	var assetsToLoader = ["../../logo_small.png", "data/PixieSpineData.json", "data/Pixie.json", "data/iP4_BGtile.jpg", "data/iP4_ground.png"];
 	
 	// create a new loader
 	loader = new PIXI.AssetLoader(assetsToLoader);
@@ -55,8 +55,8 @@
 		stage.addChild(background);
 		stage.addChild(background2);
 		
-		foreground = PIXI.Sprite.fromImage("data/iP4_ground.jpg");
-		foreground2 = PIXI.Sprite.fromImage("data/iP4_ground.jpg");
+		foreground = PIXI.Sprite.fromImage("data/iP4_ground.png");
+		foreground2 = PIXI.Sprite.fromImage("data/iP4_ground.png");
 		stage.addChild(foreground);
 		stage.addChild(foreground2);
 		foreground.position.y = foreground2.position.y = 640 - foreground2.height;
@@ -82,11 +82,10 @@
 		
 		
 		
-		stage.click = function()
+		stage.mousedown = stage.touchstart = function()
 		{
 			pixie.state.setAnimationByName("jump", false);
 			pixie.state.addAnimationByName("running", true);
-			
 		}
 		
 		var logo = PIXI.Sprite.fromImage("../../logo_small.png")