Do you like to tweak your computers' settings?  Is the first thing you do when freshly installing a new operating system or buying a new computer to completely change the look of the UI or add your own personal effects?  If so, Jack Rebel is a neat site that is definitely worth a look.  JR is chock full of icons, wallpapers, dock themes, iTunes skins, and more!  If you're feeling a little bored, and tired of looking at the same old thing on your computer, stop by Jack Rebel and see what ...