// Custom filters to clean up issues in WP 3.0 with avatar paths.
// Written by @theandystratton
function sizeable_bp_core_avatar_folder_dir( $path ) {
	$items = explode('/', $path);
	$path = ABSPATH . 'wp-content/uploads/avatars/' . end($items);
	return $path;
}
add_filter('bp_core_avatar_folder_dir', 'sizeable_bp_core_avatar_folder_dir');
function sizeable_bp_core_avatar_folder_url( $url ) {
	$items = explode('/', $url);
	$url = 'http://' . $items[2] . '/wp-content/uploads/avatars/' . end($items);
	return $url;
}
add_filter('bp_core_avatar_folder_url', 'sizeable_bp_core_avatar_folder_url');