аватар в модуле последние комментарии

 
$sql = "SELECT c.id as id,
               c.target as target,
               c.target_id as target_id,
               c.target_link as target_link, 
               c.target_title,
               c.content as content,
               c.guestname,
               c.pubdate as fpubdate,
               IFNULL(c.user_id, 0) as user_id,
               IFNULL(u.nickname, '') as author,
               IFNULL(u.login, '') as author_login,
               IFNULL(up.imageurl, '') as author_avatar,
               u.is_deleted as author_out,
               IFNULL(v.total_rating, 0) as rating
        FROM cms_comments c
        INNER JOIN cms_users u ON u.id = c.user_id {$guest_sql}
        LEFT JOIN cms_user_profiles up ON up.user_id = u.id
        LEFT JOIN cms_ratings_total v ON v.item_id=c.id AND v.target='comment'                
        WHERE c.published=1 {$target_where}
        GROUP BY c.id
        ORDER BY c.id DESC
        LIMIT 70";
 

 
<img border="0" class="usr_img" src="/images/users/avatars/??????????
 

 
$con['avatar'] = usrImageNOdb($con['user_id'], 'small', $con['author_avatar'], $con['author_out']);
 

 
if ($con['user_id'] == 0) { $con['author_avatar'] = '';}
$con['avatar'] = usrImageNOdb($con['user_id'], 'small', $con['author_avatar'], $con['author_out']);