Solution is simple - it's good for beginners.
At first you should check and edit Project Properties with your values for Flickr Application ID, Facebook, Twitter username and etc.
Documentation for Flickr developers is here -
http://www.flickr.com/services/api/Documentation for Facebook -
https://developers.facebook.com/Also content and photos on Flickr should be prepared - you have to add word Project to description of photosets you want to see on photo site.
Article about this project on Habr (Russian) -
http://habrahabr.ru/post/146216/