TagMaps is a toolkit to visualize text (well, tags) geographically on a map. Check out the sample applications, where we use Flickr tags on a map to build a world exploration tool.
DBpedia is the Semantic Web version of Wikipedia and enables you to ask sophisticated queries against Wikipedia data. The flickr wrappr extends DBpedia with RDF links to photos posted on flickr. For each of the 1.95 million DBpedia concepts, the wrappr ge
flickrSLiDR allows you to easily embed the classic flickr slideshows on your website or blog. All you need to do is enter the flickr URL address of the user, photo set or group you would like to embed along with some options.