It looks to me like the hat is sitting a bit high on the bust head, and it looks like the "body" of the hat is good but the brim looks wrong. If I were to fix this, I think I'd razor-saw the whole hat off, take a little off the head, remove the brim from the hat, then make a new brim out of lead foil or something of the kind. But I've never done anything like this before so what do I know?