You ARE going to rotate over your lead shoulder in the direction you are looking. The board is going to go out and up over your lead shoulder and looking in that direction will cause your body to follow. As they say, the body will follow the head. Don't think about throwing your head down...rather keep your chest tall and think about going up and around.
Cut up and away at the peak of the wake along with turning your head back over your lead shoulder to initiate the flip. The rest should happend automatically if you keep the handle in close.