~$ sudo gem install flickr Password: Fetching: xml-simple-1.1.1.gem (100%) Fetching: flickr-1.0.2.gem (100%) WARNING: flickr-1.0.2 has an invalid nil value for @cert_chain Successfully installed xml-simple-1.1.1 Successfully installed flickr-1.0.2 2 gems installed Installing ri documentation for xml-simple-1.1.1... Installing ri documentation for flickr-1.0.2... Installing RDoc documentation for xml-simple-1.1.1... Installing RDoc documentation for flickr-1.0.2...
http://www.flickr.com/help/api/