I refer to several great online tutorials in the links section on this blog but also occasionally make my own geared to my classes. See them on my Youtube Channel. organized by class and technical concepts. 
I also organize and host the Photography Lecture Series at CCSF – most of these lectures are recorded, edited, closed captioned and hosted on our vimeo page: vimeo.com/ccsfphoto
ERIKA GENTRY: Art & Education 