Loop from the project i've been working on and thought for sharing this, perhaps many people could put a good use on them. Created in AE.CS3
You can grab the original texture..(Thanks to them for the effort and kindness to share)...
Euro 2008 Ball : http://www.flickr.com/photos/dmswart/...
Standard Ball : http://forums.creativecow.net/thread/...
here's the link to the animation with alpha.
euro 2008 ball
http://www.mediafire.com/?676cl7ed2r0...
standard ball
http://www.mediafire.com/?vactpkynb0b...
If you use it, just dont forget to give proper acknowledgment..
Hope its useful for your project. Cheers..:D