TinkerTool:
http://bresink.de/osx/TinkerTool.html
TinkerTool is an application that gives you access to additional preference settings Apple has built into Mac OS X. This allows to activate hidden features in the operating system and in some of the applications delivered with the system.
Camouflage (Mac):
http://camouflage.en.softonic.com/mac
I may have posted about Camouflage before, but it’s still a great tool. It basically hides all the cluttered icons, folders, etc.
John Trendler: Still Learning 