this^
and also get a better pencil, the lines look thick and crayon-ish. adding highlights to the hair i think will help too.
Outlines were done with a mechanical pencil, I won't really get them much sharper. Again, this is a photograph taking through a shitty webcam, the lines got kinda bloated and blurred.
Thanks for the feedback, I'll try and see how it will look with a little more highlighting :D

Did a little anatomy practice with the help of
Posemaniacs. I did a bunch more with the 30 second exercise but I didn't really feel they were something worth posting.