How To: Set up a custom facebook iframe application tab (2011) (via blog.hubspot.com )
To get a custom IFRAME tabs on your Facebook page you do have to jump though more than a few hoops. Not to mention building your own page on your own site just for it. Don’t forget to check out the Blog Oklahoma Blogroll custom tab we put up on our Facebook page: facebook.com/blogoklahoma
Source: blog.hubspot.com
