<?php
$sorgu = mysql_query("
    SELECT * FROM 4images_images 
    WHERE cat_id 
    IN (
        SELECT setting_value
        FROM `4images_settings`
        WHERE `setting_name` = 'populer'
    ) 
    ORDER BY image_date 
    DESC LIMIT 8  
");

$r = 0;
echo "<table align=\"center\" width=\"100%\" class=\"tablebg\">\n";
while($s = mysql_fetch_array($sorgu)) {
if ($r % 4 == 0) { echo "<tr>\n"; }
?>