Check out where the eyes are at while drawing and look at the preshot sequence,you seem to be just pulling the bow and the finding the target.You really need a shot sequence that includes focusing on the point of impact.And addressing the hand grip position before the draw.
http://www.youtube.com/watch?v=j5E6EH122ik
http://smg.photobucket.com/albums/v283/ringostar40/Archery%20Competition%20and%20Form%20Pics/?action=view&current=24958d05.flv