It's been a while since I've seen anything for Penny though you know that yourself less you did make one or two things and didn't put them up here or elsewhere. But anywho, I like how this is done. Okay so it's not gonna get colored (less I miss-read what you described), this is me but it seams that some unqiue effect is already in this that is rather good. Nice job there.
She has an awesome design. The folds in those clothes must've taken quite some effort, and they turned out really well. I love the outfit she has on, too; how the legs, boots, and shirt all have their own sense of accentuation (although I'm not impartial towards outfits of that design anyway. ), and in my opinion, she has really nice hair. Very cool art.