Yes it works. Yes we have plenty of photos. Yes, we documented our growth. Most are shy of posting their own penis for the world to see. Just like you, would you drop your pants, flaunt your penis and take photos to show to other people?
However, if you like to see progression, look under Routines and Progress to see the updates. You can also see under the Media section as well on members that are not bothered by showing their penises.
No need to trust us. You can take it as is, be skeptical as much as you should be, and take it all with bottles of salt. However, PE does work. I already travel down this skeptical path myself. Many brothers here also were there with you at the start. But you won't know until you walk the journey yourself.