Organizar comentarios en páginas: ¿Plugin o código?

<?php // Do not delete these lines
    if ('comments.php' == basename($_SERVER['SCRIPT_FILENAME']))
        die ('Please do not load this page directly. Thanks!');

    if (!empty($post->post_password)) { // if there's a password
        if ($_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password) {  // and it doesn't match the cookie
            ?>

            <p class="nocomments">This post is password protected. Enter the password to view comments.</p>

            <?php
            return;
        }
    }

    /* This variable is for alternating comment background */
    $oddcomment = 'alt';
?>

<!-- You can start editing here. -->

<div class="domtab">

    <!--<h4><?php comments_number('No Responses', 'One Response', '% Responses' );?> to “<?php the_title(); ?>”</h4>-->

    <?php
    
    if ($comments) : 
    
        bm_splitComments( $comments );
        global $bm_trackbacks, $bm_comments;
        
    ?>

    <ul class="domtabs clearfloat" id="discussion">            
        <li><a href="#comments-count">Comentarios (<?php echo count( $bm_comments ); ?>)</a></li>
        <li><a href="#trackbacks-count">Trackbacks &amp; Pingbacks (<?php echo count( $bm_trackbacks ); ?>)</a></li>
    </ul>

    <div>
    
<h4 id="comments-count">Comments</h4>

    <ul class="commentlist">
        
        <?php foreach ( $bm_comments as $comment) { ?>

            <li <?php if ($comment->user_id) echo ' class="my_comment" '; ?>id="comment-<?php comment_ID() ?>">

            <cite><strong><?php comment_author_link() ?> <?php if ($comment->user_id) echo '(Author)'; ?></strong> dice: </cite>
            
            <div class="clearfloat">
            <?php 
            //Gravatar check
            if(!empty($comment -> comment_author_email)) {
                $md5 = md5( strtolower( $comment -> comment_author_email) );
                $default = urlencode( get_bloginfo('template_url') . '/images/nopic.gif'); 
                echo "<img src='http://www.gravatar.com/avatar.php?gravatar_id=$md5&amp;size=45&amp;default=$default' alt='' class='gravatar' />";
            }
            ?>

            <?php if ( $comment->comment_approved == '0' ) { ?>
                <em><?php _e('Your comment is awaiting moderation.'); ?></em>
            <?php } ?>
            
            <div class="commenttext"><?php comment_text(); ?></div>
            
            </div>
            
            
            <div class="commentmetadata">-<a href="#comment-<?php comment_ID() ?>" title=""><?php comment_date('F jS, Y') ?> at <?php comment_time() ?></a> <?php edit_comment_link('edit','&nbsp;&nbsp;',''); ?></div>

        </li>

        <?php /* Changes every other comment to a different class */
        
            if ('alt' == $oddcomment) {
                $oddcomment = ''; 
            } else {
                $oddcomment = 'alt';
            }

        } /* end for each comment */ ?>
    </ul>
</div>


<div>

    <h4 id="trackbacks-count">Trackbacks</h4>

    <?php if( count( $bm_trackbacks ) > 0 ) { ?>
    <ul class="commentlist">
    <li class="close-trackbacks"> </li>
        <?php foreach ( $bm_trackbacks as $comment ) : ?>
            <li><?php comment_author_link() ?> <?php edit_comment_link('e','',''); ?></li>
        <?php endforeach; ?>
    </ul>
    <?php } else { ?>
        <h4>There are no trackbacks</h4>
    <?php } ?>
    
</div>
            
        
        

<?php else : // this is displayed if there are no comments so far ?>

    <?php if ('open' == $post->comment_status) : ?>

     <?php else : // comments are closed ?>

        <p class="nocomments">Comments are closed.</p>

    <?php endif; ?>

<?php endif; ?>

</div>

<?php if ('open' == $post->comment_status) : ?>

<div>

<?php if ( get_option('comment_registration') && !$user_ID ) : ?>
<p id="login-req">You must be <a href="<?php echo get_option('siteurl'); ?>/wp-login.php?redirect_to=<?php the_permalink(); ?>">Entra </a> para poner un comentario</p>

</div><!-- #respond -->

<?php else : ?>

<form action="<?php echo get_option('siteurl'); ?>/wp-comments-post.php" method="post" id="commentform" name="commentform">

<?php if ( $user_ID ) : ?>

<hr />

<p><?php _e('Logeado como '); ?> <a href="<?php echo get_option('siteurl'); ?>/wp-admin/profile.php"><?php echo $user_identity; ?></a>. <a href="<?php echo get_option('siteurl'); ?>/wp-login.php?action=logout" title="<?php _e('Desconectate de la cuenta'); ?>"><?php _e('Logout'); ?> &raquo;</a></p>

<hr />
<?php else : ?>

<br />
<label for="commenter"><?php _e('Nombre'); ?> <?php if ($req) { ?><span class="required"><?php _e('(requerido)'); ?></span><?php } ?></label><input class="field" type="text" name="author" id="commenter" value="<?php echo $comment_author; ?>" size="35" tabindex="1" />

<label for="email"><?php _e('Mail (no se publicará)'); ?> <?php if ($req) { ?><span class="required"><?php _e('(requerido)'); ?></span><?php } ?></label><input type="text" name="email" id="email" value="<?php echo $comment_author_email; ?>" size="35" tabindex="2" class="field" />

<label for="url"><?php _e('Website'); ?></label><input type="text" name="url" id="url" value="<?php echo $comment_author_url; ?>" size="35" tabindex="3" class="field" />


<?php endif; ?>


<label for="comment"><?php _e('Mensaje'); ?></label>
<div id="wysiwyg" class="clearfloat"><script type="text/javascript">edWrite( "commentform", "comment" );</script></div>
<textarea name="comment" id="comment" cols="60" rows="15" tabindex="4" class="field"></textarea>
<br />
<input name="submit" type="submit" id="submit" tabindex="5" value="<?php _e('Enviar Comentario'); ?>" />
<input type="hidden" name="comment_post_ID" value="<?php echo $id; ?>" />

<?php do_action('comment_form', $post->ID); ?>


</form>

</div><!-- #respond -->

<?php endif; // If registration required and not logged in ?>

<?php endif; // if you delete this the sky will fall on your head ?>