<?php
$termId = 2; // id термина
$count = 5;  // число материалов
 
$nodes = db_query_range("
  SELECT n.nid, n.title FROM {node} n
  INNER JOIN {term_node} tn ON n.nid = tn.nid AND n.vid = tn.vid
  WHERE tn.tid = %d
  ORDER BY n.nid DESC
", $termId, 0, $count);
 
$items = array();
 
while ($node = db_fetch_object($nodes)) {
  $items[] = l($node->title, 'node/' . $node->nid);
}
 
echo theme('item_list', $items);
?>

Drupal 6.x