One thing to add is a little cartooning rule about aligned objects being a no-no. See how her kicking leg is not overlapping his chest. Its almost in line with it. This causes a popping problem for the eye. Suggestions would be to bend her leg a bit so it more overlaps the chest or but a comic POW there. This is a similar problem to when someone places say a bed in a room and how the camera lines up makes the bed post parallel and in line with a window frame. When things are aligned they tend to be accepted as on the same plane and "attached". Otherwise it looks great.