search for: dynamiccontroller

Hi All, I am looking for a way to dynamically load a view, inside a template, based on uri that does not officially exist inside of rails. i.e. a typical CMS system such as wordpress that stores the html from the pages in a database. I have found a page on the the rails wiki ( http://wiki.rubyonrails.org/rails/pages/HowToRunAnActionBeforeRoutes) that seems to be what I want, but lacking a few