first post - feedback please!!!!!

[deep-fry]

HELLO, this is my first post. I would really really appreciate feedback on these (constructive criticism especially) as im tryin to learn independently, so anyone who can comment, its much appreciated. peace.
http://img102.exs.cx/img102/3264/knightgirl.jpg
sketch - bic pen
http://img98.exs.cx/img98/9311/minotaur.jpg
pencil
PS. both are slightly darkened from original, im tryin to put them up with a digital camera, so :P. thanks.

[MrFrost]

push your tones more bud...darker darks....add more range to your values....first one is nice. nice loose quality to it....be sure to study anatomy, and do some life studies. :)