While you're all waiting for soulflare to post his hi-res covers I've got something that might tide you over. I took the general idea of his covers and then, starting from scratch, modified what I didn't like about them to make them my own.
You can view them here
They are about 70% of the actual size of the hi-res files that I have. Just click the "download" button above the picture to download the actual full size file.
Let me know what you guys think!