I would care. There's no excuse for your site affecting my server in any way. If it's a site that gets enough traffic the number of connections being made to my

I would care. There's no excuse for your site affecting my server in any way. If it's a site that gets enough traffic the number of connections being made to my web server for a single resource could be enough to adversely affect my site. Besides why are you going to take the chance that the image stays online and in its current location. Just rehost it, it takes such a minuscule amount of effort.