What are you EVEN talking about.
If you transmit an image to my computer when I browse your website, that image is now saved on my computer in my browser's cache. It is too late for your supposed legal contact at this point, I have already copied your image, at your explicit instruction. Now try to run that through court.
"Your honor, I instructed the defendant's machine to save a copy of my image on his computer, which it did, causing the defendant to have copied my image, thus violating this here legal contract written on a slice of American cheese."
You can already make legal contracts about the use and re-use of art. NFTS, as a method for trying to prevent people from performing actions the internet explicitly requires for them to even be seen in the first place, were, are, and will remain nonsense.