Another thing I just noticed. Do you have tape inside the tank? It looks like the thermometer/probe is taped to the back wall. That is a ticking time bomb... Ball Pythons are masters at getting themselves stuck to tape if presented the chance. It may seem really well stuck on now, but given time it will start to peal off and your snake will find a way to get stuck to it. If that happens the BP can be seriously injured. I would run the cord either under the substrate, or up and out of the tank, then back in to keep excess out of the tank.

While I am thinking about it, do you have anything securing the lid of the tank? Bp's are very strong and can easily escape. I would either put something heavy (back when I used glass tanks I used bricks) or these: http://www.petsmart.com/product/inde...ductId=3884237