I think it needs a bit of tone in the white areas just to define it a bit more.
Green is a good idea, but i think the green you have picked is a bit much. Perhaps like a lime color (not intense lime of course ) would be a better choice, I dunno thats just my opinion anyway.
Looking forward to seeing some progress on this skin.
/ 
) would be a better choice, I dunno thats just my opinion anyway.
