My feet have never been my strongest point, so I decided to really work this week and crank out a bunch of drawings. I used references from deviant art and google image search. Actually, I contracted a trojan from searching google for feet pictures (safe search! HA!) conveniently just AFTER formatting my hard drive. Figures. At least scrubbing my hard drive gave my fingers a chance to recover.
These are by no means all of the drawings, but I took out a drawing once every few in my stack or so to demonstrate the progression: