Now if this was the HTML page itself, it would be pretty easy to send an HTTP header to clue in the browser (force expiry IIRC), but the browser will ask for the image in a separate connection ...

I am in a dreamweaver class in my college and I made a decent background image in CS2 for my HTML project for my web design class. Anyway, I had made a table at 1024x768 res., then put the ...