The format of each of these is the same. The top of the page is a structured set of images designed to show how changing that particular setting affects the image. I'm not wildly happy with the examples I used for noise, but I think the other two are pretty good. At the bottom I included real-world or semi-real-world images that show the effects of the feature I'm illustrating. These are really designed to illustrate my yakking rather than standing alone, but I think I included enough descriptive text on the composite photo pages to explain what's going on.
The rest of the Flickr set contains all of the images I used to build the composites.
I'll do 8x10 prints of the composite prints for the class, and I'll also bring in the tape measure, Furby, towel, and glow poi so that people can try the experiments for themselves if they would like.
Feedback is welcome. In particular, "Yo, that sucks and it makes no sense" or "You're completely wrong, you hoser."
I may turn these into a tutorial blog in the future.