You can use an internet utility like www.iaza.com or download 'giffy' from the FAQ page.
I'll add this to your gallery since you don't have transparency access and I see now you did AA the exterior to a grey but try to get a free program for future work whenever transparency is best, k.
But i don't have the programa To do This, and i dont have enought internet To download
BG = BackGround :)
*I think in this case the BG is best transparent.
Looks nice. Remove strays, correct outline, remove BG.
it's pretty nice, but you may pay more attention to the lightsources, especially in the face, which is usually the primary attention focus.