Facebook coding and plugins not working! Help please!

Hi there, I am hoping someone can help me figure out why nothing is working cos I have tried everything I can think of/understand!

I am trying to get a facebook widget onto my friend’s site…
http://revel-in-dance.com.

The facebook link is: https://www.facebook.com/revelindance

I am able to get facebook’s own plugin working on my other websites which I have made through moonfruit. But for some reason, no matter which method I try, I cannot get Revel In Dance’s facebook plugin to work on her wordpress site.

I have tried pasting the code as described in this link… https://developers.facebook.com/docs/plugins/page-plugin

I have tried several different wordpress facebook plugins… none are showing on the page.

I have also tried different coding suggestions I have found in the wordpress help forums… several months later, she still has no facebook plugin on her home page and I am no closer to figuring out what’s wrong.

Please help!! I’m going bonkers! I’m pretty new to wordpress. I’ve updated this site as a favour to my friend, I didn’t build it. I’m more of a designer than a coder!

Any suggestions are much appreciated 🙂

Nina