No, not creating squares or tracing pixel by pixel. More a group of pixels:
![](http://img.photobucket.com/albums/v349/ngdawg/demo.jpg)
I also changed the tank to gradient rather than color selection...not sure if I like it that way or not.
If you look closely, you can see where I'm at with it so far. I have a long way to go-maybe a bit more than halfway.