Following are the list websites whch contain techncal videos and video lectures
http://www.securitytube.net/
http://www.bestechvideos.com/
http://www.butterscotch.com/tutorials.html
http://www.butterscotch.com/index.html
http://www.butterscotch.com/tutorial/Learn-About-Google-Reader-And-RSS-Feeds
http://www.techvideos.com/
http://www.gotmyidea.com/
http://www.woopid.com/