I am sitting here with a mapper friend who started contributing images to Wikimedia Commons and linking them to existing OSM objects using the
Does anyone know of an app that uses these links to display the images alongside an OSM map in some way?
Taginfo lists a few data consumers that support this tag, primarily OsmAnd and Open Etymology Map/Open Artist Map/etc.
I add lots of photos to Commons, but I never use the
wikimedia_commons tag — instead, I make sure the OSM item has a
wikidata tag and that the Wikidata item is linked to a Commons category containing the photos. I figure that’s easier than updating OSM with the same info that’s available on Wikidata (for this case; there are plenty of other tags that I think do make sense to effectively duplicate).
The tool I use (and wrote) to help with this linking is wdlocator.toolforge.org.