If we’re working long-distance on saddle fit, I’ll ask you for some specific photos. In all of them, the saddle should be positioned correctly (so that the front of the tree point is about 3 fingers’ width behind the rear edge of the shoulder blade) and girthed to riding tightness over a thin cotton quilt pad or no pad at all.
The first photo I need to see is basically a conformation shot of your horse with the saddle on: the whole horse, directly from the side, standing on level ground, weight on all four legs, like so:
Or like so:
The next photo should be taken from the shoulder, aiming toward the tail, so I can see wither clearance and the angle of the tree point. Frame the shot so the pommel and top 1/2 of the flap and panels are visible, like so:
The second two photos are basically the same as the first two, but with the rider up: