投稿の多い順に抜き出した10件を5件ずつ表示する例です。
<div class="row-fluid"><div class="span6"><ul> <?php $ar_tags = wp_tag_cloud('format=array&number=10&orderby=count&smallest=11&largest=11&order=DESC'); $i = 1; foreach ($ar_tags as $tag) { $name = strip_tags($tag); $tag_term = get_term_by('name', $name, 'post_tag'); ?> <li><a href="<?php get_tag_link($tag_term->term_id) ?>"><?php echo $name; ?>(<?php echo $tag_term->count; ?>)</a></li> <?php if ($i == 5) { ?> </ul></div><div class="span6"><ul> <?php } $i++; } ?> </ul></div></div>