Cylinder - Sexy homescreen icon animations
Springtomize - Tear down the walls
Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
GO Locker - GO Locker,design to GO Launcher EX is the most simple locker for Android!
Lockinfo - You can find this app in Cydia - Tweaks.
Five Icon Dock - Tweaks the dock of your jailbroken iPhone so that it can fit five icons instead of four.