The Gaiagi Photo Explorer shows photos from flickr and Panoramio tagged with geo locations on Google Maps. It has a convenient interface to zoom into locations of photos as well as links to the original photo pages at the photo services.
You can move from one photo to the next easily and load new photos for the map area selected. Local search from Google enables to easily select a new location and display a brand new set of photos.
Please let us know your comments and suggestion how to improve the service.