Saturday was the quieter day, but that was mostly the weather. It was very wet and thundery, and quite muggy.
A photo token will allow you to get a professional photo with the guest and up to two people.
Sometimes the guests take a wander about the floor, and some of them are quite happy to join in on a photo with people, but it's very much up to the individual guest.
I took a few photos of Peter Cullen during his Q&A, and a friend filmed his Optimus Prime monologue - no-one said anything to us, but I think if you tried to film the entire session a volunteer will probably see and ask you to stop. They're mostly not complete hardarses about a few photos, but as long as you're not being excessive and egregious there's a little bit of a blind eye turned.
SofaMan - Occasionally Battling Evil with his Mighty Powers of Indolence