You can go alot of different ways here. It really all depends on what you like and want to make. You can go spider x pastel= end up with a bumble bee, pinstripe x pastel= lemon blast, mojo x mojo= blue eyed lucy, lesser x mojo=blue eyed lucy, yellow belly x yellow belly=ivory, ciny x ciny= super cinny. there are a lot of different ways you can go here. so try and be more specific for what your looking for, and I'm sure someone on here can help you. these are just a few things you can make and I dont have all the percentages on what you will make check this site out and it will help you to show you what you can make with what.
http://www.worldofballpythons.com/wizard/