If it's your own post they should have no problem removing it.

on the Atlanta Ad board, as far as I know, there is no way to delete it.  You can try using "contact us" but I doubt that TER wants to be bothered, unless someone hijacked your computer and put up a phony ad.

out of date ads.  Specials no longer offered & locations she's not at...  phones & emails that are no longer valid...