I haven't got one, as such... it's just I seem to be good at remembering photographs and images. I sometimes struggle to remember the place, the people, the time; but I can almost instantly recall a photograph was taken at that instant.
And yes, we see the same image more times than we see the real life event, but I can remember an image after seeing it just once. Having never discussed this with anyone, I don't know if this is common or just me... ... ...
A gratuitous (and easily memorised) image:
