Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
Five Icon Dock - Tweaks the dock of your jailbroken iPhone so that it can fit five icons instead of four.
Cylinder - Sexy homescreen icon animations
Infiniboard - Vertically scroll your home screen pages!
Infinidock - Infinidock is the ultimate dock customization tool for jailbroken iOS devices.
Dreamboard - DreamBoard lets you take control over the homescreen of your jailbroken iPhone.