Comment plus not showing up in any of woothemes and wpzoom

I have tested many of woothemes and wpzoom themes with comment plus , and it’s not showing up , this is their comment.php codes ,

<?php
global $options;
foreach ($options as $value) { if (get_settings( $value['id'] ) === FALSE) { $$value['id'] = $value['std']; } else { $$value['id'] = get_settings( $value['id'] ); }
}?><?php if (!empty($_SERVER['SCRIPT_FILENAME']) && 'comments.php' == basename($_SERVER['SCRIPT_FILENAME']))
die ('Please do not load this page directly. Thanks!');
if ( post_password_required() ) { ?>
<p class="nocomments"><?php _e('This post is password protected. Enter the password to view comments.', 'wpzoom' ); ?></p>
<?php return; } ?>
<?php if ( have_comments() ) : ?>
<h3><?php comments_number( __('No Comments', 'wpzoom'), __('1 Comment', 'wpzoom'), __('% Comments', 'wpzoom')); ?></h3>
<ul class="comment-list">
<?php wp_list_comments('type=comment&avatar_size=60&callback=mytheme_comment');?>
</ul>
<?php if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) : // Are there comments to navigate through? ?>
<div class="navigation">
<div class="alignleft"><?php previous_comments_link( __('&larr; Previous Comments', 'wpzoom')); ?></div>
<div class="alignright"><?php next_comments_link( __('Next Comments &rarr;', 'wpzoom')); ?></div>
</div>
<?php endif; // check for comment navigation ?>
<?php else : // this is displayed if there are no comments so far ?>
<?php if ('open' == $post->comment_status) : ?><!-- If comments are open, but there are no comments. -->
<div id="commentspost">
</div>
<?php else : // comments are closed ?><!-- If comments are closed. -->

<h3><?php _e('Comments are closed', 'wpzoom'); ?></h3>
<?php endif; ?>
<?php endif; ?>
<?php if ('open' == $post->comment_status) : ?>
<div id="respond">
<h3><?php comment_form_title( __('Leave a reply', 'wpzoom' ), __('Leave a reply to %s', 'wpzoom')); ?></h3>
<div class="cancel-comment-reply"><?php cancel_comment_reply_link( __('Cancel reply', 'wpzoom')); ?></div>
<?php if ( get_option('comment_registration') && !$user_ID ) : ?>
<p><?php _e('You must be', 'wpzoom') ?> <a href="<?php echo get_option('siteurl'); ?>/wp-login.php?redirect_to=<?php echo urlencode(get_permalink()); ?>"><?php _e('logged in', 'wpzoom') ?></a> <?php _e('to post a comment.', 'wpzoom') ?></p>
<?php else : ?><form action="<?php echo get_option('siteurl'); ?>/wp-comments-post.php" method="post" id="commentform">
<?php if ( $user_ID ) : ?>
<p><?php _e('Logged in as', 'wpzoom') ?> <a href="<?php echo get_option('siteurl'); ?>/wp-admin/profile.php"><?php echo $user_identity; ?></a>. <a href="<?php echo wp_logout_url(); ?>" title="<?php _e('Log out of this account', 'wpzoom') ?>"><?php _e('Logout', 'wpzoom') ?> &raquo;</a></p>
<?php else : ?> <div id="formLabels"><p>
<label for="author"><?php _e('Your Name', 'wpzoom') ?></label>
<input type="text" name="author" id="author" value="<?php echo $comment_author; ?>" size="32" tabindex="1" />
<?php if ($req) ?><span><?php _e('required', 'wpzoom'); ?></span><?php ; ?>
</p><p>
<label for="email"><?php _e('Your Email', 'wpzoom') ?></label>
<input type="text" name="email" id="email" value="<?php echo $comment_author_email; ?>" size="32" tabindex="2" />
<?php if ($req) ?> <span><?php _e('required', 'wpzoom'); ?></span><?php ; ?>
</p><p>
<label for="url"><?php _e('Website', 'wpzoom') ?></label>
<input type="text" name="url" id="url" value="<?php echo $comment_author_url; ?>" size="32" tabindex="3" />
<span><?php _e('optional', 'wpzoom'); ?></span>
</p></div><?php endif; ?><div id="formContent">
<p>
<label for="comment"><?php _e('Comment', 'wpzoom') ?></label>
<textarea name="comment" id="comment" tabindex="4" rows="7"></textarea><br />
<input name="submit" type="submit" class="submit" tabindex="5" id="submit" value="<?php _e('Submit Comment', 'wpzoom') ?>" />
</p>
</div><?php comment_id_fields(); ?><?php do_action('comment_form', $post->ID); ?></form>

<?php endif; // If registration required and not logged in ?></div><?php if ($wpzoom_trackbacks == 'Show') { ?>
<div id="trackbacks">
<h3><?php _e('Trackbacks', 'wpzoom'); ?></h3>
<ol>
<?php //Displays trackbacks only
foreach ($comments as $comment) : ?><?php $comment_type = get_comment_type(); ?><?php if($comment_type != 'comment') { ?>
<li><?php comment_author_link() ?></li><?php }
endforeach; ?></ol>
</div><?php } ?><?php endif; // if you delete this the sky will fall on your head ?>