Вроде добавил ipa а не добавляется
if ($format_file == 'jpg' || $format_file == 'jpeg' || $format_file == 'gif' || $format_file == 'png')
$preview = $res_down['dir'] . '/' . $res_down['name']; else if ($format_file == 'thm' || $format_file == 'nth' || $format_file == '3gp' || $format_file == 'avi' || $format_file == 'mp4'|| $format_file == 'flv'|| $format_file == 'ipa') {