your browser should load the image once and then just redisplay it
(,
Mon 17 Aug 2009, 21:44,
archived)
But it goes real slow with all of them in sight...
(,
Mon 17 Aug 2009, 21:45,
archived)
so it doesn't use much bandwidth, but every instance of it on your screen uses local computer resources.
So in summary, you only download it once, but the more on your screen, the slower it will get.
(,
Mon 17 Aug 2009, 21:55,
archived)
So in summary, you only download it once, but the more on your screen, the slower it will get.