Be creative with it. I have seen toys and fish tank accessories be hides. You just have to put some imagination into it! Just make sure whatever you us is clean and not harmful to your snake! Here are some links on here of people who show some hides.

http://ball-pythons.net/forums/showt...0-Hides-my-way

http://ball-pythons.net/forums/showt...tic-quot-Hides