Do they copy the images, or hotlink them? If they hotlink, some evil minds might come up with other "workarounds". No way I am going to add some meta tag just

Do they copy the images, or hotlink them? If they hotlink, some evil minds might come up with other "workarounds". No way I am going to add some meta tag just for pinterest. Not that I have anything I don't want to be shared yet, but still.