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!
Dreamboard - DreamBoard lets you take control over the homescreen of your jailbroken iPhone.
Cylinder - Sexy homescreen icon animations
Transparent Screen Lock - Password protect your workstation or server with "Transparent Screen Lock" while monitoring programs that are running.