Some guys want you to see a photo of them. Personally doesn't make a jot of difference to me, also how do I know it's actually of them and not their mate/brother/pinched from somewhere else on the internet?
What's most important to me is whether or not he's going to turn up and be ok in a booking.
Reverse booking I'm going to be looking at his specifications, do I meet those and how much would I be prepared to accept for the booking. Feedback can be reassuring however I take it with a pinch of salt. Just as there are SPs who make punters feel they can't leave bad feedback/must leave good, there are also punters who are a bit of a pain in the neck who make the SP feel she has to leave good feedback or she'll get bad from him. Result is I know of blokes who a lot of ladies would run a mile from/can't stand yet they have a list of positive feedbacks as long as your arm.
I simply stick to my procedures no matter what the feedback, if it matches up great, if not then I've probably accurately sussed them out.
My advice is get your requirements clear, don't worry about photos.