BuddyPress.org

Hi,

default avatar is ‘gravatar’ ‘s mytery man. To use your own avatar, you have to deactivate gravatar in addition to constant. Try this in bp-custom.php

add_filter('bp_core_fetch_avatar_no_grav', '__return_true');
define ( 'BP_AVATAR_DEFAULT_THUMB', 'YOURIMAGEURL' );