If you have Windows 7 and Windows 7 Start Button Changer (or do it directly in the explorer.exe file), you can change your Start Orb to 3 types of Identity Discs.
Normal (No hover or click): Tron Legacy Style Disc
Hover: Tron 2.0 Disc
Click: Classic Tron Disc
To save, right click then save as
http://i113.photobucket.com/albums/n214/pikachu904/tronorbset.jpg