Category photos are from Wikimedia Commons, used under the licences below and cropped to fit. Photos a shop uploads belong to that shop.
Catalogue product photos are from Wikimedia Commons, resized, and used under the licences below. They show the kind of product, not always the exact brand or pack.
Some demo shop photos are from Wikimedia Commons, resized, and used under the licences below. They show a typical store, not the listed shop itself.