Just ran it through the Facebook Linter, and it shows it to be simply that easy...lol!
http://developers.facebook.com/tools/lint/?url=http%3A%2F%2Fwww.yenko.net%2Fubbthreads%2Fubbthreads.php%3Fubb%3Dshowflat%26Number%3D429789%23Post429789
Made a test post, guess I'll see in a few minutes...