I have recently been tooling around in a drawing program on my tablet, developing my 2d art skills, and integrating them with 3d stuff. Here is a test drawing, it uses linework generated by blender3d's freeform tool as the "guide sketch".
I will add some more stuff as I go along.
I posted some 3d work on my blog for a digital arts class that I took:
It has a couple marathon pics, but I havent updated in awhile. (I plan to get back to it when my current project reaches a suitable point)