Picture posting is enabled for all :)
This is standard behaviour among sailors of all north European nations, and it is simply a matter of showing consideration.
Most people around allotment sites are perfectly decent, but you do get the odd one. Not so long ago someone was going round sawing through committee members' gateposts on my site! There have been a few other unpleasant goings-on as well, but given that we've got 80 or so plots, we're bound to get the occasional nutter.