I suppose I'm obligated to post some of mine here, huh?
Let's start with some of my art academy sketchpad BS! This is probably the one most relavent to your interests. In the end, I prefer Paint Tool SAI where I can easily fiddle with layers, have an adjuster to the line stablization, and can on the overall create a cleaner product thanks to pressure sensitivity, but the novelty of Art Academy is really neat.
I drew this one while waiting for my friend to get off of work at Wal-mart with my pre-ordered copy of Smash. I didn't have the chance to do anything cool with it, so it's mostly just abstract bork.
Probably not your thing, but it's the first thing I ever drew using art academy Sketchpad, so... meh!
Now on to Smash Bros, which i honestly also need to fiddle with more...! Gui gave me a yeah for this, so therefore I am validated for putting mammary glands on a dinosaur, end of story!
Finally, not a drawing but... lookit! Riki has cute little foot paws! <3