And if I'm such a noob I hadn't known that, how am I supposed to make sure everyone else has it in their cache, too, so they can see the picture, based on your little "hint"?

So I guess the answer is avoiding the pictures that don't show, eh?
Haven't I already said I've been on another computer and the same picture worked just fine? I hadn't visited the original page on that one.

So, somehow, I could see it there, but you can't. Still a cache problem? You said something about gifs "expiring" and "renewing", is that in any way related?