Custom HD DVD Covers by Bunny Dojo

TheLookAndSoundOfPerfect.com
Official (US) web site of the HD DVD format

TACPService.Toshiba.com
Customer Solutions for Toshiba's players' firmware -
download updates to improve performance

SleeveTown.com
You may have replaced the cover, but if you need a
whole new case, head here

HDMovies.co.nz
A nice source for HD DVD screenshots, some of which
have been used (with thanks) for covers on this site

EAProgramming.com
Another nice source for free high-definition custom
covers (click on the "Downloads" link at the top)