Trackbacks auslesen?

<table border="0">
  <?php $comments = $wpdb->get_results("SELECT comment_post_ID, comment_author, comment_author_email, comment_content, comment_date
  FROM $wpdb->comments
  WHERE comment_type = ''
  && comment_approved = '1'
  ORDER BY comment_date
  DESC LIMIT 25"); ?>
  <?php $commenttype = 'even';
foreach($comments as $comment) {
  $post = get_postdata($comment->comment_post_ID); ?>
  <tr>
      <td>
          <?php echo $comment->comment_author; ?> zu <a href="<?php echo get_permalink($post['ID']); ?>"> <?php echo $post['Title']; ?></a>
    </td>
  </tr>
  <?php if($commenttype == "even") { $commenttype = "odd"; } else { $commenttype = "even"; } ?><?php } ?>     
</table>