That works because the images are being downscaled by the browser, but since the norm is click to expand, because (among other things) asking the browser to download a large image just to downscale it is a waste of bandwidth if the user isn't going to view the large version, the OP didn't attempt to find a larger image that way.
Even then, they're not a great size for examination. The whole format of the page looks like it was made by Crackpots-R-Us, which doesn't contribute well to his argument.
