Honestly I think your largest downfall is in the anatomy itself. You're good with the posing of characters but I find that most of your figures seem almost balloon-like. Learning basic anatomy is a good first start to drawing any style. You don't have to master it, but doing a bunch of quick sketches from sites like Posemaniacs ( they have a timed drawing session thing there; it's really neat! ) will really help with understanding how muscles wrap around the body without studying it tirelessly. c:

Blah blah blah, practice practice, etc. You have a good start, friend. c: