I thought I'd take another shot at this, but I'm not having much luck.
There's probably more obvious things wrong, but specifically getting the shape and placement of Rosa's right leg and Curtis' right arm and hand is killing me.
Any chance some kind drawfriend could help me out a bit with some concrit or redlining?
Censored, but still lewd, so pic's over here:
http://i.imgur.com/tSckC9R.png