Drupalcon BoF notes and links
Get the modules from the project page: http://drupal.org/project/fb
...and the Facebook libraries below.
If using Drupal 6.x, apply the patch found here: http://drupal.org/node/235457#comment-941893
If using Drupal 5.10, there is an issue preventing the fb_fbml theme from being used when it needs to be. There is a discussion about the problem here (read the entire thread): http://lists.drupal.org/pipermail/development/2008-August/030883.html