$cdb = new PDO('mysql:dbname=datebase;host=localhost', 'user', 'pass');

foreach ($cdb->query("SELECT * FROM images ORDER BY posted DESC LIMIT 5") AS $img)
{
	echo '<img src="' . $img['filename'] . '" width="' . $img['width'] . '" height="' . $img['height'] . '" />';
}