I had some problems embedding Youtube and Google Video to this site, but eventually worked out a simple solution for both. Paste the following into your editor (ensuring the rich editor is turned off, or alternative temporarily disable javascript if you are using Firefox with the ‘NoScript’ extension)
<embed style=”width: 212px; height: 257px;” id=”VideoPlayback” type=”application/x-shockwave-flash” xsrc=”web-address-of-the-video-you-want-to-view” […]