Facebook like addon weird appearance on facebook activity

[navido]

Hi

I have installed the addon facebook like

http://www.zen-cart.com/downloads.php?do=file&id=1821

However..when i test it out and click on like on a product, in activity log in facebook the like appears with different result all the time. Sometimes the like is even not shown. Sometimes without link. See attached file under.

However i havent installed the Facebook open graph:
http://www.zen-cart.com/downloads.php?do=file&id=1820

Is this why i get this weird appearance? Because i havent installed the facebook open graph? And again for installing facebok open graph you must install Css/JS loader?