The defintion of Facebook metrics is very similar to Twitter and other metrics
id_list : This is a list of all the URLS that you want to track the facebook metrics
metric_list: List of all metrics. In case when you select "Facebook - All metrics" then this parameter is ignored
  1. Drag a grid from the left panel
  2. Right click and select Data source
  3. Select "Facebook - All metrics" from drop down
  4. Click on "Add Default Values"
  5. In the id_list, provide your own domain that you want to track
  6. Click ok
Some more examples
You can use the techniques described in other metric sections such as Alexa, Github, Facebook, Twitter, Pagerank, Feedburner etc
Use online Web Dashboards in the cloud or download and host your own Dashboards