|log in, go to "webmaster services" (the link should be on the left just
after you log in - http://www.spraci.net/webmaster.php ) -
then click on "MESSAGE BOARDS for your Website".
(make sure you are logged in - your admin pages for your boards will only
work if you are logged in as you)
Then you should see all your custom boards listed there with edit and delete
(just click the "Delete" button and then "yes" when it asks you to confirm
and the board will be deleted.