Creates a link to a forum profile on the diii.net forums. You must provide your username and unique id in the following format:
{{forumprofile|username|unique id}}
Your unique id can be found by hovering over the link to your username on the upper right side of the Welcome section while in the forums. This will show the link in the status bar at the bottom of your browser, in the format http://forums.diii.net/member.php?u=######, where ###### is the unique id.