I get the feeling that what these sites really mean is that you shouldn't deep-link to their images. They've just got it a bit wrong in the T&C. Especially when

I get the feeling that what these sites really mean is that you shouldn't deep-link to their images. They've just got it a bit wrong in the T&C. Especially when the sites say "we may disable the links", they surely just mean they'll prevent the images from showing when the refer(r)er is on a different domain?