It makes me wonder if you could create a physical scene that, when photographed by a digital camera, exploited the camera.
http://www.infinityplus.co.uk/stories/blit.htm
[edit] more in the series:
http://ansible.uk/writing/c-b-faq.html
http://www.lightspeedmagazine.com/fiction/different-kinds-of...
It's also the plot of a good book:
I often wonder if you could do that with humans. I don't think you can crash a human brain a la Snow Crash or Basilisk, but I think it is plausible to craft an abstract picture that creates fear, arousal, or some other "primitive" response.
Visit a modern art museum - I think one can find many examples.