ho questa pagina che genere i miei feed : SCAMBIO MIO NOME DOMINIO CON NOME PIPPO

<?php

header("Content-type: text/xml");
print "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>\n";
print "<rss version=\"2.0\">\n";
print "<channel>\n";
print " <title>PIPPO All Video</title>\n";
print " <link>http://www.PIPPO.com</link>\n";
print" <description>All Free Video</description>\n";
print" <image>\n";
print" <url>http://www.PIPPO.com/images/RSS_All_Video.jpg</url>\n"; // *required! - the URL of the image
print" <title>All Free Video</title>\n"; // *required! - the image alt attribute
print" <link>http://www.PIPPO.com</link>\n"; // *required! - the URL of the website
print" <width>233</width> \n"; // the image width
print" <height>173</height> \n"; // the image height
print" <description>All Free Video</description> \n"; // the link title attribute
print" </image>\n";
print " <generator>Dreamweaver</generator>\n";
print " <copyright>Copyright 2012 PIPPO.com </copyright>\n";
print " <managingEditor>Postmaster@PIPPO.com</managingEditor>\n";
print " <webMaster>Postmaster@PIPPO.com</webMaster>\n";
print " <language>En-us</language>\n";

$connection = mysql_connect('PIPPO','PIPPO','PIPPO');
mysql_select_db('PIPPO_2',$connection);
// effettuo la connessione al DB

$querySQL = "SELECT * FROM news_video ORDER by id desc";
$result = mysql_query($querySQL,$connection);


while ($riga=mysql_fetch_array($result)) {

print " <item> ";
print " <enclosure url=\"http://www.PIPPO.com/Video/".str_replace ("_", " ", "$riga[titolo]")."/".str_replace ("_", " ", "$riga[image]").".jpg \" length=\"1\" type=\"image/jpeg\" width=\"121\" height=\"83\" />\n";
print " <title>".str_replace ("_", " ", "$riga[titolo]")."</title>\n";
print " <description><![CDATA[".$riga['testo']."]]></description>\n";
print " <link>http://www.PIPPO.com/".str_replace (" ", "_", "$riga[titolo]").".php</link>\n";
print " <pubDate>".date("D, d M Y h:i:s",$riga['data'])." GMT</pubDate>\n";
print " </item>\n";
}
print "</channel>\n";
print "</rss>\n";
?>

come si puo' avere una immagine di anteprima dei item, una di ogni video.

ringrazio pls HELP ME!