power5000

This is my most recent work and it just doesn't look very good http://s369.photobucket.com/albums/oo136/power5000/anime/?action=view&current=kallen-1.png without highlights/ shading. @bolt bait I've tryed that and it doesn't do what I want, I want to be able to do more like this

1. The second one (going from top left to bottom right) is moving very slowly 2.I do use curve tool a lot just for shading it would be hard. 3. i do know know what the semi-transparent layer is please explain.

Hey okay so when I move my brush quickly and it's somewhat transparent i get this