[Trent Adams]

define('WP_BB', true);

and

$bb->wp_home = 'http://www.yoursite.com; // WordPress - Options->General: Blog address (URL) // No trailing slash

$bb->wp_siteurl = 'http://www.yoursite.com'; // WordPress - Options->General: WordPress address (URL) // No trailing slash

Hope that helps.

Trent