What are some alternatives?
When comparing Springtomize and Muse Art, you can also consider the following products
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!
Cylinder - Sexy homescreen icon animations
Next Lock Screen - Next Lock Screen is the ultimate lock screen for busy professionals.
Five Icon Dock - Tweaks the dock of your jailbroken iPhone so that it can fit five icons instead of four.
WidgetLocker Lockscreen - Customize your lock screen!