Facebook markup language or FBML for short is used in a variety of places within the social network. Anyone who has written any Facebook applications will already be pretty familiar with its tags, and will probably have used it to write data to walls, or share postings with others programmatically. If however you haven’t yet dipped your toe in the water of the Facebook API, or indeed haven’t actually needed to – there are some snippets of FBML which prove to be mighty useful when creating custom Facebook Fan Pages, and can easily and quickly out of the box be used with the FBML widget, which adds an extra much needed layer of customisation to an existing Facebook fan page. The static FBML widget can be added multiple times, and in multiple places (sidebar and tabs) to facilitate this. Once you’ve added it to your page, simply go to “edit page”, then under Applications click “edit” under Static FBML. This will give you the options you need to paste in your code.
By Web Distortion, March 22 2010