Class allows you to add a CSS class attribute to the feed wrapper.
Base URL is where you copy and paste the URL of the facebook page you would like to be the source of your feed.
Show Post, Show Faces, and Hide Cover Photo allow you to toggle those features of the feed.
Number of Connections allows you to customize the number of facebook connections to display
Facebook API Key is a custom ID generated by Facebook that you will have to go out and get in order for the plugin to work. View the 2 minute video below for exact instructions on how to obtain your application ID.
The Width and Height define the size of the wrapper in pixels.
The Module Appearance allows you to define background and border colors for the wrapper.