CandyBar allows you to change the system icons in Mac OS X that you normally cant, including including the trash can, volumes, default folder, and more!
CandyBar 3 also now includes a fullfeatured icon organizer (formerly called Pixadex) that acts like an iPhoto for your icons: collect and store your icons in the same application you use to change them!

Of course, theres more: CandyBar also now lets you customize the look of Leopards dock. Too shiny Too flashy Make it look the way you want by simply dragging images in to replace. Nice.

Will 512 x 512 icon support, improved iContainers, a smooth new interface, Quick Look integration, and much more, Candybar 3 is to icons what air is to, uh, living.

Released on 7/5/11

* Added Mac OS X 10.7 Lion support, and UI improvements
* Export size slider can now select common icon sizes
* Allows cut/copy of icons onto Collections in the Info window
* Prevents potentially harmful customization of Mac App Store app icons

Instructions work. Tested and working above 250 icon import limit.

Link for more information: http://"http://www.panic.com/candybar/"