在没有嵌入css doc和swf的flex中使用皮肤

The issue I am having is creating an application with nearly every component skinned using CSS. The majority of the components are skinned using: Embed(source="file.png"); method. The problem I am running into, is flex trying to compile all of the embedded assets into the final swf. As it stands now, my compiled swf stands around 16mb!@@ OUCH. It is a very large application, but not that big. Any ideas on how to load the assets into the application at run time, or on request maybe?The issue I am having is creating an applicatio