WordPress.org

1. Unpack file package using your favorite zip software.
   1. Upload .php file to your wordpress plugin directory on your server.
   2. Login to wordpress admin and go to plugin tab and activate Add Post Footer Plugin.
   3. Go to Option => Add Post Footer tab to config the plugin option.

For SimpleTags user: You have to disable the original SimpleTags Plugin in order to show Technorati tags at the nd of the post. Otherwise the tag list will appear before Add footer section.