The start-up etc. images. 
Wanna know how they work?
Obviously, your've unzipped them somewhere, cause your reading this text. So go get the files, and copy logo.sys to your c:\ drive. Copy the other two to da Windows directory. When you want to change them back to the normal windows ones, re-install windows. Easy, huh? These are free, so long as you book mark my page, or T-ray will come and bite your thumbs off, then make you do handstands. So There.
Problem? please direct it to purple monkey, dishwasher. Thanks.
DK