[@r-a-y Participant 16 years, 5 months ago]

For those not using deep integration and want to use BuddyPress avatars, check out this forum post I just made on BuddyPress.org:

https://buddypress.org/community/groups/how-to-and-troubleshooting/forum/topic/how-to-definitively-display-buddypress-avatars-in-bbpress/?topic_page=1&num=15#post-56018

If you’re using WPMU, replace the $avatar_folder_url with:

$avatar_folder_url = '/files/avatars/'. $author_id;