On YouTube I've found a so-called Perry the Platypus Design for the Peugeot 908 in Forza Motorsport 3 a.k.a. "Platypus Racing". I'm not sure if it's real since there's no other news about the racing car. Not only that, the video gained only a few attention. Nevertheless, the design looks great and I think the designer's a professional for whoever did this.
Here's the racing car if you want to see it: