Indeed @thirstforwine that is the intention for the Instagram account, but no harm in people sharing a few cheeky favourites of what are clearly not taken in SE23. Everyone can join in that way, as some are unlikely to have images of the local area.
I'm sure the balance can be found, and if necessary the thread split to differentiate between over all favourite pictures taken, and those of the local area. As ever, trial and error with plenty of room for adjustment. Just finding the interests of the community