Professional instruction is always the best but here are a few things that I see. Remember that good skiing is always a sequence of events so the more of the proper techniques that you have, the better you will ski. The first is the pullout, you are leaning back instead of away from the boat. If you keep consistently leaning back instead of away, it turns into an inefficient habit. The next is the turn in for the gates. Get a little wider setting up for the gates and then make an instant turn in for the gates, not a gradual one. The third thing is body position behind the boat. It needs to be stronger with your handle lower.