From the schedule
Click on the reservation then on the "Game session" tab
You can then download the photo
From reservations
From "Menu> Reservations" click on the one concerned.
From the "Photos" tab, you can download the photo (s)
If you want to retrieve photos in bulk, you can do so from "Reservations" and the "See pictures" button:
You can then apply a filter on the room and navigate on the day concerned.
By hovering over the photos, you will be able to have the information on the reservation:
By clicking directly on "Download" you will launch the procedure for the whole day.