CoSolvent's Personal Player is a Flex application that uses a Virtual Timeline to dynamically assemble supplied flvs into a seamless movie. The Player can apply individual mark-in, mark-out and ordering to multiple FLV files. The resulting clips will play as a single movie in the specified order. The structure of the delivered movie is defined each time the Player is loaded onto the user's browser page. If you desired, a web page could be programmed to deliver a custom-edited video on each and every page view. In fact, if you exploit the Javascript JSON structure, you could even force the movie to reload in a different form without refreshing the page. (Free for non-commercial use and 30 day trial)