I am starting a list (many links from Etsy shop owners - thanks!) of online tutorials. I'll be adding more as I find them or get them!
Jewelry Making http://ganoskin.com
(video tutorials) Hint Jewelry
Aging Brass http://winterrosedesigns.blogspot.com/search?q=aging+brass
Enamel Work http://enamelartiststeam.blogspot.com/2009/08/enameling-tutorials.html
Metal working http://etsymetal.blogspot.com/search/label/tutorial
Wire wrapping http://www.enioken.com/
Beading etc. http://firemountaingems.com
Variety of Tutorials http://totallytutorials.blogspot.com/
Free e-book on photography http://www.filmlessphotos.net/
Other crafts/kids crafts
Please let me know if any of the links no longer work so that I can fix or remove them.