This list seems to be where you can find tutorials - should it be rather how to create them, or a repository of actual tutorials?
YouTube
Vimeo (ex. Kimbel Library Instructional videos)
CLIP: Cooperative Library Instruction Project (Video Tutorials): http://www.clipinfolit.org/
ANTS: Animated Tutorial Sharing Project: http://ants.wikifoundry.com/
Topic to outline http://www.library.arizona.edu/help/tutorials/mindMap/index.php
Outline to topic http://www.text2mindmap.com/