My biggest problem is that it is VERY hard to control my 7 year old mouse, and I have no other way to put lines/colors into my laptop.
I did a quick minute-sketch of goat island (more detailed than my gimp version, but not by much)
The problem I hit is getting it on the computer. The only thing I have is my cruddy webcam, and this is the result:
I think I may have to invest in some sort of drawing equipment