The latest in customization utilities for facebook is not one of those common gift apps, nor a gaming application, or a prize, or any of the other annoying facebook applications that endlessly show up on your wall. This application lets you change your complete facebook profile in several ways. The application is called Chameleon Tom, and best of all, its' completely free!
The most common feature is the ability to change your facebook background. Chameleon Tom offers templates, and a collection of free backgrounds.
You can download it for free at chameleontom.com
You can view some of the templates here
If for any reason you want to revert back to the boring facebook blue, you can simply uninstall chameloentom here - they have provided a simple chameleontom uninstall utility.