this code can help you if you want to retrieve the flv link of youtube videos...
<?php
$link="http://www.youtube.com/watch?v=oXefposX_r4";
preg_match("/video_id=\S+&.+&t=.+&f/i", file_get_contents($link), $matches);
$url=get_headers("http://www.youtube.com/get_video?".$matches[0],1);
echo (substr($url['Location'],-4)==".flv") ? urlencode($url['Location']) : urlencode($url['Location'].".flv");
?>

Robert,
http://beta.amo.net/dv does not provide time limited URI's. The returned and original uris are indexible just like they are on youtube and google, or elsewhere. In addition, it works with at least a dozen video sites, has a live preview player (which also supports xml playlists), and has RSS preview panes that are customizible. It works with to name a few, Google, LiveVideo, Dailymotion, Youtube...etc.
Just wanted to clear this up. Thanks.