Not so common sense: When users click on thumbnails, they intend to zoom

This is a very common error, even on big sites like MSNBC. What they do is give you a small, postage stamp-sized thumbnail that's supposed to be a teaser for a gallery of "amazing images." But once I click on it, I don't see an enlarged version of the enticement. In fact, I have to rifle through a whole series of photos to get to what I want. In this one example, it wasn't until picture 49 out of 50, that I finally saw a larger version of what I originally clicked on in the first place.