Something

{* Show the thumbnails *}
{foreach from=$pipicthumbs item=entry}
{assign var=border value=0}
{if $entry->selected eq 1}{assign var=border value=2px}{/if}
<a href="{$index}&amp;pigallery={$gallery}&amp;pipic={$entry->name}"><img src="{$entry->url}" alt="" border="{$border}" /></a>
{cycle values="</center></td><td><center>,</center></td><td>,</center></td><td><center>,</center></td><td>,</center></td><td><center>,</tr><tr><td><center>"}
{/foreach}
</center></td></tr>
</table>
</center>