A couple great places to look around are: www.morphmarket.com and www.worldofballpythons.com/morphs
These two sites will help educate you on what morph names look like what. Once you've narrowed down what you like, you can visit: www.owalreptiles.com/issues.php
That site will tell you what, if any, issues exist with a certain morph (as far as is known)