The popular Greasemonkey Facebook video script is now a full-Fledged Firefox addon that lets users download or convert Facebook videos, and embed videos outside of Facebook.
* Video Pages
o Direct Link to FLV file so you can download video to your computer
o Link to convert video to a format of your choice with Zamzar.com before download
o links appear under video info
o Embed code so you can embed any videos in sites outside of Facebook
o Public video link found at bottom of video page
* Walls and Inbox
o Download and convert links
o Embed Code
o links appear directly beneath videos on wall and in messages
* A wizard that lets you customize the embed code. You don't have to edit both the height and width. My script honors the Aspect ratio.