xBack

xBack is a utility that allows you replace your desktop picture with a screen saver. While there are other ways to do it, none match xBacks ease of use or feature set. With xBack, you can bring your desktop to life.

Feature list:

• Quickly start/stop the desktop screen saver
• Easily change the desktop screen saver
• Media Support:
  - iPhoto Albums and Slideshows
  - Quartz Composer files ( Mac OS X v10.4+ Only )
  - Create your own Slide Shows to share with others.
• Configure screen saver preferences without having to open System Preferences
• Preview screen savers without having to open System Preferences
• Menu based usage - no wasted space in the dock
• Expose Compatible
• Set a different background for each display

Version 3.8:

• Added support for Mac OS X 10.7 Lion