Want to have more control over what your new organic groups look like? I can't imagine why else you'd be reading this...
Resolution
try this out:
Copy node-og.tpl.php to your theme's directory you'll need to rename it to reflect your group's node type(s). If your group node type is "partner" then you'd rename node-og.tpl.php to node-partner.tpl.php.
http://drupal.org/node/287298