DunGen users are coming up with some cool stuff

+Thaumiel Nerub has drawn some amazing maps from DunGen results. Check them out on his Crypt of Rabies blog.
Cult Caves

Map to Necropolis

Kobolds Dungeon



+Sherief Gaber posted ideas on G+ for what tunnel wolves are that goes way beyond my original "um,  like wargs, but in dungeons" conception.