TexasCHLforum.com

Ladies tend to have a lot more problems concealing, mostly because concealment garb is mostly made for men.
Check these out, they might help you, as they are designed to fit womanly curves instead of mens:

http://www.fist-inc.com/holsters/lady/Default.htm

Also, you might want to play with OWB. A forum member from here (I think it was Quidini) actually found she can conceal cross-draw OWB easier.