There is a link on the profile page: http*//forums.silverstackers.com/search.php?action=show_user&user_id=<#> I suggest publishing it on the home/index page in place of the "Show new posts since last visit" link which is redundant as it's also the "New Posts" link in the navbar/menu.
Clicking on the "show your posts" button gives me a list of threads I've posted in...doesn't actually show a list of my posts. Would be nice to be able to find my old posts without having to comb through entire threads....