<? $i =0;
$cek=mysql_query("select * from oyunlar order by no desc limit 8"); 
              while($veri=mysql_fetch_array($cek)) { 
if ($i !=0 & $i%2 == 0) {
echo "<br/>";
}
echo "<img src='".$veri[gulucuk_adresi]."' />";

$i++;
}
?>