I operate the Unity Asset Store for the Unity Technologies, creators of the Unity Game Engine (www.unity3d.com).
In a nutshell, I’m looking for 3D modellers who’d like to sell their work on the store. You get 70% of every sale, and it’s right in the Unity game development environment. If your work is game-ready (like under 20K polys and clean meshes) you might find it a good way to earn some extra money, especially if you’re already sitting on unused models!
Here’s how to do it… http://unity3d.com/unity/editor/asset-store-submit
Feel free to email [email protected] if you need anything.