There's a lot of potential for this subject (I'm guessing Santa's supports are cloned out?). That said, I'd suggest leaving a little room in front - rudolph's front hooves are almost cut off, as well as giving some room in the frame for the sleigh to "fly into". Are these lit at night? That might make for an interesting and more dynamic shot as well.
There is a quriky, surreal quality to this photo that I really appreciate. I have no idea if it is a happy accident or purely intentional. It's not just that Santa and his reindeer appear to be flying. It is also the odd placement of the tree in the picture plane and the clear blue otherwise empty sky. I might see this in a weird Christmas catalog.