I've updated my misc. materials with some more illustrations at:
http://adrr.com/story/e003.htm
I've updated the mention of the Oni (these are the Ben Oni -- a leveriate critter, not the far eastern one), illustrated an Oni, a spider queen and one of the armored vermin/tiev gnack.
Hope you enjoy the update.
It is fun to work the two together since it makes sense in the original context.