images emmiter

app.js

setInterval(function newImages() {
  // TODO (bonus) - fetch images from flickr or other feeds and refresh the
  // client with the fetched content.
  images('http://api.flickr.com/services/feeds/photos_public.gne?format=json&tags=badcamp&nojsoncallback=1', function(err, data) {
    var newImagesAry = [];
    data = JSON.parse(data);

    data.items.forEach(function eachItem(item) {
      newImagesAry.push({
        picture: item.media.m,
        link: item.link
      });
    });
    io.sockets.emit('newImages', newImagesAry);
  });
}, config.pollInterval || 10000);