Hey Thomas - long time no speak, man! You've got to make time to share some more of your work with us here - I miss seeing you around.
Originally, the Yoda was just something I was doing to pass time - I'm trying to let myself loosen up and become more sketchy. Sometimes a less finished look may be the perfect look for a certain scene/feeling/emotion/etc.
I've been doing several airbrush assignments where detail and percision is a must, so this Yoda was just my way of breaking free from all of that tedious stuff.
Sitting there looking at the Yoda, I decided, 'Hey - I might as well practice airbrushing straight lines', and so there it went. Once I had the saber down, I figured I'd go ahead and airbrush the shadow while I was at it.
I'll probably do a new Yoda once ROTS has come and gone. Next time I won't put it on a cheap cardboard.
Oh, the airbrush I'm using is also a Badger. Crescendo Model 175.
Once exams are in and my portfolio is graded, I'll take some photos of the two projects I did in my Airbrush class - the first project was a P51 Mustang and the exam project was a Dodge Prowler.
Here's a Darth Maul I airbrushed, just for fun...

His eyes are a little offset.