I have now added a ton of new covers which I collected from the forum and from emails sent to me. They are for the following items:
LinuxDC
Sintendo
DreamSNES
QuakeDC
DreamMSX
NetBSD
GLEAM
NgineSNES9x
SegaGEN

They can be found in each of there appropriate sections. Click the links for the item you want on the left side.