Update: as you can see, everything is working okay now. If you want to join more groups, follow the menu to:
and select the groups you want to join. Some groups will require you to be approved before you can see secret boards, your request will be sent to the group moderator(s).
#todo: Insert a "Help!" link next to "Your Groups" at the top of the board so people can read this kind of description. Write this up through a formal help series of articles through Drupal.