mustella/tests/gumbo/filters/ShaderFilter/SWFs/Assets/LoadedSWF.mxml

<mx:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark" 
                backgroundColor="0xffffff"
	            width="800" height="600" >

    <mx:Button label="Test Button"/>

</mx:Application>