Input

function AlbumCtrl($scope, $http) {
      $scope.url = 'http://onehungrymind.com/angular-album/images.json';
          $scope.images = [];
              $scope.imageCategories = [];
                  $scope.currentImage = {};

                      function handleImagesLoaded(data, status) {
                                $scope.images = data;
                                        $scope.currentImage = _.first($scope.images);
                                                $scope.imageCategories = _.uniq(_.pluck($scope.images, 'category'));
                                                    }

                          $scope.fetch = function () {
                                    $http.get($scope.url).success($scope.handleImagesLoaded);
                                        }

                              $scope.setCurrentImage = function (image) {
                                        $scope.currentImage = image;
                                            };

                                  $scope.fetch();
}