con questa modifica
<?
$content = "";
$forum_id = "XX"; // Indica il Forum da cui estrarre i Topic da Visualizzare
$numero_topic = 5; // Indica quanti Topic visualizzare
$DB->query("SELECT tid, title, posts, starter_id as member_id, starter_name as member_name, start_date as post_date, views
FROM ibf_topics
WHERE forum_id=$forum_id AND state!='closed' AND approved=1 AND (moved_to IS NULL or moved_to='')
ORDER BY start_date DESC LIMIT 0, $numero_topic");
while ( $post = $DB->fetch_row() ) {
$post['title'] = strip_tags($post['title']);
$post['title'] = str_replace( "!" , "!" , $post['title'] );
$post['title'] = str_replace( """, "\"", $post['title'] );
$post['date'] = date("d-m-y H:i" , $post['post_date'] + $std->get_time_offset() );
$tid = $post['tid'];
$titolo = $post['title'];
$member = $post['member_id'];
$autore = $post['member_name'];
$data = $post['date'];
$content .= "
<tr><td width=\"100%\" id=\"tdblock\">
<a class=\"uno\" href='{$ibforums->base_url}showtopic=$tid'>$titolo</a>
</td></tr>
<tr><td id='tdglobal'>
<a class=\"uno\" href='{$ibforums->base_url}showuser=$member'>Da: $autore</a><br /> il: $data
</td></tr>
";
}
?>
volendo si potrebbero mettere in home gli ultimi 5 topic per i forum + rappresentativi
che ne dici?