$say=0;
$sorgu = mysql_query("SELECT * FROM resimler");
while ($kayit=mysql_fetch_assoc($sorgu))
{
	$say++;
	echo '
	<a href="bak.php?id='.$kayit['id'].'" title="'.$kayit['name'].'" >
		<img src="'.$kayit['kresmi'].'" style="border-width: 0px; height: 100px; width: 110px;" />
	</a>';

	if ($say % 4 == 0)
		echo '<br />';
}