~Sites must be family-friendly. (i.e.: No porn or otherwise.)
~Banner size must be 468 x 60.
~You can resubmit your plug as many times as you'd like. Only restriction is that you must wait for the last one you submitted to make its way off the board first.
~It's appreciated if you have a plug board on your website as well. The purpose of the plug board is to help exchange traffic.