Use this wiki plugin to display Modules in a page, column or other module zone.
This code:
{module module="wiki_last_comments"}
Would produce on this site:
You can place a module anywhere (header, footer) using the following syntax in a .tpl file:
.tpl
Older version of Tiki can revert to embedding wiki syntax:
{wiki}{literal}{module module="wiki_last_comments"}{/literal}{/wiki}
Last wiki comments