I don't know if any of these have videos, but here's a few links that may help. Don't forget that You Tube has lots of videos as well.
http://cache.lionbrand.com/cgi-bin/f...arnToCrochet=1
http://www.crochetcabana.com/
Oh actually I did find a few.
http://www.nexstitch.com/Tutorials.html
http://www.hassdesign.com/StitchLegend/