plugin_routing - Adds the ability for plugins to share views (including
layouts and ActionMailer templates) with the rest of your application.
Wiki
http://wiki.pluginaweek.org/Plugin_routing
Announcement
Source
http://svn.pluginaweek.org/trunk/plugins/action_pack/plugin_routing
Development
http://dev.pluginaweek.org/browser/trunk/plugins/action_pack/plugin_routing
Enjoy, from the PluginAWeek Team 