I am thrilled to announce my partnership and role as CTO with ConcertRat Inc. Our Iphone app is in final testing phases, look for it soon!

User activities on your website can post automatically through the Facebook Connect API (attachment streams). This image shows the difference between adding a media attachment (photo) or just attaching a link to the Facebook stream. You can add a custom title, description and action links as well.

Here's a link to the FB developer wiki on the topic:
http://wiki.developers.facebook.com/index.php/Attachment_%28Streams%29

Updating the FaceBook connect sample site to use
FB.Connect.streamPublish because Feed.registerTemplateBundle will be deprecated on 12/20/09
This will ultimately serve as a template for upcoming FaceBook api work.