Saludos,,
Localiza en ultimos.php ( 5 veces ) :
$sql = "SELECT a.image_id, a.cat_id, a.image_name, a.image_active, a.image_thumb_file, b.auth_viewcat, b.auth_viewimage
FROM ".IMAGES_TABLE." a, ".CATEGORIES_TABLE." b
Cambia a : ( las 5 veces )
$sql = "SELECT a.image_id, a.cat_id, a.image_name, a.image_active, a.image_thumb_file, a.image_media_file, b.auth_viewcat, b.auth_viewimage
FROM (".IMAGES_TABLE." a, ".CATEGORIES_TABLE." b)
excitex