Well, other than the white line, that's precisely what my CSP pack does. All you need is the files in the system folder, so that there are 2 separate CSS's for each of them, like Project M has.
image of Project M CSS here:
http://projectmgame.com/en/characters
Post Merge: January 05, 2015, 11:53:47 AM
The white line is just simply the picture, but edited to have a white line; I just can't make the white line, and if you'll notice, the standard Brawl CSPs for Zelda/Sheik don't have white lines: