Read this sticky: http://www.ball-pythons.net/PNphpBB2...ic-t-2650.html
Then this one: http://www.ball-pythons.net/PNphpBB2...ic-t-2515.html
And this one for resizing: http://www.ball-pythons.net/PNphpBB2...ic-t-1777.html

And they should answer all your questions!