I think this will most likely be falling on deaf ears.. If you have a short look around these forums, you'll find that there have been MANY requests such as yours, and pretty much every single one ends up the same way: Most of the people here are working designers who can't afford to give away free time in the face of vague, if well intentioned promises of future work. Just the way it is.
Might be worth looking through sites like deviantart to see if there are some students who might want to get involved.