If you have the HTC HD2 and want to spice it up with some more color, why not start with the Volume Control thanks to XDA Developers degake & hazzahex. They have put together a pallet of color options and styles for you to choose from. Check it out:
I went green with mine but but you can try them all until you find what you like. There is a bunch of stuff to check out and the cab files are located throughout the thread at this point. Hopefully they will get it all moved to the first post. Anyway, install the cab file and then soft reset.
CLICK HERE to head on over to XDA and check it out!