Just google it. Popular video hosts: blip blinkx dailymotion flickr google video imeem metacafe youtube (obv) myspace yahoo! video
You can check here for the list of free video sites: http:// web2.econsultant.com/videos-hosting-sharing-searching-services.html
About the only useful sites are youtube and metacafe in that order. I'd only use other sites with the help of a submission service like http://www.tubemogul.com/ which is a great time saver.
Here you go http://www.podcasting-tools.com/submit-podcasts.htm (scroll down for video submissions) HTH