While not strictly ren faire, it is held at the same place, and by the same people, as the Greater St Louis Renaissance Faire.
(http://inlinethumb62.webshots.com/42237/2984575340010454074S425x425Q85.jpg)
(http://inlinethumb49.webshots.com/44656/2950934510010454074S425x425Q85.jpg)
(http://inlinethumb64.webshots.com/47423/2429672860010454074S425x425Q85.jpg)
(http://inlinethumb55.webshots.com/14966/2318014760010454074S425x425Q85.jpg)
(http://inlinethumb10.webshots.com/33737/2873702150010454074S425x425Q85.jpg)
More are here:http://news.webshots.com/album/578663381sJuRSV (http://news.webshots.com/album/578663381sJuRSV)