It's actually as simple as wanting to completely embed the content of that page into a facebook page. The client is obsessed with medium. They expect that since facebook is a popular site, their content would get seen more as a facebook fan page than a standalone website.
In any event, the FBML solution pretty much solved my problem. HTML can be used almost ad verbatim in the FBML add-on, so all that's needed is to change the flash video to use Facebook's flash player (<fb:flv src='
http://clubseabreeze.s3.amazonaws.com/5b.flv' width='550' height='300' title='my movie' color='#FFBB00' salign='r' scale='showall'/>) and adjust the url's for form submission and images in the html to their full length paths from the original site.
The result, impressively enough, is more or less an exact duplicate of the original page!
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Alain