Two months ago, Facebook rolled out a series of widgets that showcase activity from from your Facebook account or fan page. Today, it appears that Facebook has rolled out a new kind of widget billed as the "Fan Badge". It is effectively a small badge that showcases a fan page you are associated with:

living proof widget

You can create a badge from a drop down lists of pages that you are a fan of. Badges are currently only available for single pages - I assume that you will eventually be able to share multiple fan pages and customize the widget's size, layout, etc.

As you can tell by the below graphic, Facebook is heavily promoting the badges on Facebook fan pages... dedicating significant real estate:

living proof fan page

You can find all Facebook widgets here.