The stock image referred to is her stock backgrounds she has created and sells. Didn't see the reference to gimp but character looks poser-like. I think Pinkx3 wants to take a game screen grab and make something like this. But now I'm guessing. 

See also this thread:

[ Overpainting 3D renders - a shortcut to the painted look?

](http://www.renderosity.com/mod/forumpro/showthread.php?thread_id=2773033)