Good stuff. I gotta give you a tip that I wish someone gave me a long time ago... Darken your drawings! If you draw light, you're the only one who can pick out details and such, because you're the only one who knows where all the strokes are. You've gotta make something 'black' look BLACK, something shaded gray, look that shade you desire.
Trust me, work on your contrast and your art will improve alot! Post some updates soon, okay?