Little MS Paint sketch playing around with the oil and watercolor brushes and such.
Coupple of other peeps were doing this so I gave it a shot.. This took roughly 20 some minutes. (Constant re-doing the lines... CTRL-Z!! CTRL-Z!! CTRL-Z!!)
If only I had like a tablet or something...
(I wonder what he's thinking about...)
[It looks better zoomed out.]