Hi all, I've written up a consumer plugin for the OEmbed API. You can learn about OEmbed from these links:
http://leahculver.com/2008/05/29/announcing-oembed-an-open-standard-for-embedded-content/
http://www.webmonkey.com/tutorial/Get_Started_With_OEmbed
http://oembed.com/
The plugin is still in its early stages but usable. Details and download can be found here:
http://liqd.org/wiki/oembed/
Live examples can be found here:
http://liqd.org/wiki/oembed/example