Have you already put foil and tape over the top of his cage? I noticed you have a screen top. This helped bring our humidity up and helped keep our temps perfect with out havign to use an over head light or heating element of any sort.

Read this for help
http://www.ball-pythons.net/forums/s...ad.php?t=32800

Also dont pull his shed off while its dry....you can rub it while he is soaking or still damp...but never pull dry skin....ouch!

Where do you have this tank set up? In your living room with lots of sun light? Dark bedroom?
I had the same question way back when..with my tank...we never have had an over head light and I was wondering if I needed it. Well I was right, if the room gets alot of day light then no you dont need a light over head.