1. Place the weezerie.bmp file in your windows directory.
!!!If you have IE4 read below!!!
2. Double-click the Weezer.reg file
3. When prompted to add to registry click ok.
4. Should say successfully entered hit ok.
5. Right click on desktop click refresh
6. Open a folder or interent explorer and see Weeezer!

IE4 users will have to right click on the Weezer.reg file click edit and scroll down to where it says BackBitmapIE5=
and change the 4 to a 5.
Then double-click it and it should work fine. 

To delete browse to
 HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Toolbar
Delete the backbitmap values