Stardock BootSkin is a program that makes it possible to change the boot screen in Windows 2000, XP, Vista and 7
The program has the advantage that it does not change system files in Windows. It can be easily removed if necessary via the "Add" or "Remove Programs" control panel, if you are not satisfied.
Easily you can choose which skin you want as the boot image with a few keystrokes.
You can download images from wincustomize.com, or use your own pictures.

BootSkin have these system requirements: Windows 2000, XP, Vista or 7 10 MB free hard disk space and 256 MB of RAM. For more information on the website stardock.com.
You can download Stardock BootSkin here.