Get randome image in member's loop

functions.php

<?php
// Add this function to theme's functions.php
/**
 * Show randome album image in member's loop.
 */
function rtmedia_members_gallery() {
	global $wpdb;

	if ( function_exists( 'bp_get_member_user_id' ) ) {
		// Get member's ID.
		$member_id = bp_get_member_user_id();
		$user_query = "SELECT * FROM `{$wpdb->prefix}rt_rtm_media` WHERE `media_author` = '{$member_id}' AND `media_type` = 'photo' ORDER BY rand() LIMIT 1";
		$thumb_detail = $wpdb->get_row( $user_query );
		$members_media_image = wp_get_attachment_image( $thumb_detail->media_id, 'thumbnail' );
		if ( ! empty( $members_media_image ) ) {
			echo $members_media_image;
		}
	}
}
add_action( 'bp_directory_members_actions', 'rtmedia_members_gallery' );
?>


// Add this to custom css ( rtMedia->settings->Custom CSS )

#buddypress ul.item-list li .item {
   float: left !important;
   width: 55% !important;
}