Beginner's tutorials -Include how to make a multi layer project, how to use the filters, how to use the tools, how to use the effects, and how to blend layers.
Intermediate tutorials -Include how to make a wood pattern, and how to make a picture with a transparent background, how to cut yourself out and superimpose yourself into another picture,
Advanced tutorials -Include how to use slices, and what to look for and stray away from when making a graphic.
Adobe Photoshop 6.0 Tutorials