{use $tagCloud, $installDomain}
{var $tags = $tagCloud['tags']}
{var $highest = $tagCloud['highest']}
<div id="tagcloud">
{foreach $tags as $tag => $count}
<span class='tagcloud{math_round( $count/$highest * 6) }'><a class='tag' href='http://{$installDomain}/tag/{$tag}'>{$tag}</a></span>
{/foreach}
</div>