CentOS video for what? Installing? Don't you think it is better to read official installation manuals. The forum is there anyway to help you if you get stuck.
Anyway, if you want video tutorials you should probably look in youtube, google videos or metacafe... Here is one link http://www.youtube.com/results?searc...ng+centos&aq=f
Not sure how helpful it will be compared to reading manuals. Also, you need to consider that you cannot download these videos. Another issue to consider is the resolution.