i thought i'd share some stuff that helped me draw better, aside from art school :P
- IDRAWGIRLS (a lot of value and fundamental stuff here): http://www.youtube.com/user/idrawgirls
- FZDSCHOOL (awesome stuff here): http://www.youtube.com/user/fzdschool?feature=results_main
- DAARKEN (does a lot of his stuff in real-time so its really easy to follow): http://www.youtube.com/user/daarken
- ART STUDENT OWL (i dont know, this made me laugh at myself so i thought id share this too :P): http://fyeahartstudentowl.tumblr.com/
well i hope that helps. feel free to throw in your own suggestions if you have any :D