The best porn I've ever used has been the written word.
Nancy Friday Books, the sort of stuff.
The mind is the largest, some might say only - but that's getting a bit deep, sex organ in the body... the creative use of fuel for the imagination has supplied me with some of my best self loving sessions...
Cyberring is a mood thing, sometimes it can work, but for me, most of the time it doesn't.
People are generally dull and unimaginative.