This screen saver will Chromo Enable Apple's Mac OS X operating system (Version 10.4 Tiger Required). It can also be used as a desktop background with the help of the excellent QCDesktop
The Mac OS X Chromo Enabler was created using Quartz Composer by James Hicks and the original Chromo code by William Rowe of Protein.
Use Adium? Check out the Chromo™ Message Style