Problem: Flex 3.0 doesn't support image type .ico

I use mx:Image class to load favicon.ico of a website, but I can't. Image class only supports for JPEG, GIF, PNG, SVG, SWF, TTF, and MP3 files.

Then, I use IconLoader of flexlib (from http://code.google.com/p/flexlib/wiki/ComponentList) like :
..
[Bindable]
[Embed( source="assets/favicon.ico", mimeType="application/octet-stream")]
public var FAVICON_ICO: Class;
...
flexlib:IconLoader source="{FAVICON_ICO}" width="16" height="16"

But I still see nothing.

Any ideas to help me ?