From Sonic Retro
Hey, I have noticed that you have been trying to add new themes to some of the zones. I'm here to let you know that we don't need any more themes than we already have at the moment. You can add themes that already exist to zones that you think may fit, but as of now we don't need any new themes. This may change in the future if a new theme is present in numerous zones though.
Here is the list of all the current themes for reference: 
--RGamer2009 14:12, 18 May 2011 (UTC)