All our users are now able to add multiple markers on any of their photos.To add a marker simple edit your photo (requires to be logged in) then select edit from either the popup info screen or by clicking on the photo and selecting the edit option.

Scroll down to the bottom of the page. By default the map defaults to Europe. Zoom by double-clicking on the map. Latitude and Longitude coordinates are automagically calculated by just clicking on a point on the map.