Your lower leg has slipped back! Besides that your two point isn't bad. I'd put your hands about an inch higher though, you look a little scrunched up lol! For jumping, you should raise your stirrups a hole anyways but your stirrups are looking a little long. Before you go up to a jump always remember, heels down, leg on, hands up. Have a checklist in your mind of all the things that make up a great two point, a great leg position. Your leg has to support your body.( I'm working on it as well) If you didn't have legs to support your body with, you would definitely fall off over a jump. But your upper body looks good and your horses jump reminds me of my own horse. Mine leaps over ground poles.