The following applies to the template:
|This page uses Creative Commons Licensed content from Wikipedia (view authors).|
It may need some experimenting to get it to work. See http://en.wikipedia.org/wiki/Template_talk:Category_redirect
It seems to work. On your individual wikicity you type something like this in the category text box:
See it in action at cities:category:Maine, U.S.A..
Robin Patterson 12:13, 5 Nov 2005 (UTC)