From my notes, it looks like it was answered back in 4/2008 but I can't find any posts on here that go back that far.....sonofa.
Maybe it was a mod? I think Rick was the oine that helped me but it is all pretty hazy. Maybe I shoudl copy/replace some files from the other threads install to the new one and see what happens?
I recall hiding the islands from guests was tricky as well.