I originally posted this at my blog, Jetpack Braggin' [link] , but I thought it was too fun of a drawing exercise to not share here.
I put this under tutorials, even though it's not so much of one as it is just a basic example for fooling around.
This was drawn in Sketchbook Pro, but I've been doing a lot of these to fill up my sketchbook. If you head over to my blog, you can see some more examples that I do when I'm at a coffee shop or library or what have you.
I encourage anyone who wants to try this out to feel absolutely free to put a comment here and share your work. It's a fun challenge that forces you to be clever.