function bp_group_request_user_avatar_thumb() {
	global $requests_template;

	/**
	 * Filters the requesting user's avatar thumbnail.
	 *
	 * @since 1.0.0
	 *
	 * @param string $value HTML markup for the user's avatar thumbnail.
	 */
	echo apply_filters( 'bp_group_request_user_avatar_thumb', bp_core_fetch_avatar( array( 'item_id' => $requests_template->request->user_id, 'type' => 'thumb', 'alt' => sprintf( __( 'Profile picture of %s', 'buddypress' ), bp_core_get_user_displayname( $requests_template->request->user_id ) ) ) ) );
}