Anyone can mod, I had no idea how to mod when we started Wrestling Legends, I dont have a background in 3D modeling or Photoshop. I was just a person who wanted more from a Wrestling game than THQ/2k would ever be able to provide.
If you want something done, do it your self. Arena modding is a fuck load easier than character modding. Start small, get a copy of Xpacker and just do some texture mods by replacing textures and move on from there.
All the information is here on the forum, we did the hard part