Sonic 3 style sprite help

[Plokman]

Hello,
I am in need of some help with some sprites of a couple of characters for my comic Sonic Re:Generations http://www.smackjeeves.com/comicprofile.php?id=112828 in Sonic 3 style and I can't seem to find anyone to help so here goes. The first character I need help with is Crystal the Porygon I'm working on refs for the others.

Now I am not expecting something for nothing. While I'm not too good at sprites of characters I am decent at Background sprites and am willing to do a trade if your willing. Here are some examples of my work for you to see.

http://img2.smackjeeves.com/images/uploa...41JGmX.png
http://img2.smackjeeves.com/images/uploa...80Uu35.png
http://www.smackjeeves.com/images/upload...4dqA6I.png