Otto
It really seems like you "stand up" to the ball (which moves your butt closer to the ball) because you flip at it.
Because if you stayed "bent over" in your wonderful setup posture (very nice btw) and did your flip you hit the ball SOOOOOOOO FAT you might quit the game lol. So how could you get that clubhead (while going past your hands) to still hit that ball without hitting it fat?
Yup, stand up.
That's why when myself or any other instructor fixes a flip, the first few balls are students hit when we bend them over at setup (like you) and tell them where to aim their hands they chunk it REALLLLLLLLL bad. So we work on getting those hands foward and fixing that flip.
I think you would really benefit from Brian's video Confessions of a Former Flipper. Honestly, i think it is his best work to date.
Let me know if i can be of any other assistance.