This snippet pull the data from Tumblr, a microblog service and display them on Drupal block. There are 3 ways to aggregate data from any Tumblr blog: RSS feed - via http://(username).tumblr.com/rss XML feed - via http://(username).tumblr.com/api/read JSON - via http://(username).tumblr.com/api/read/json (See Tumblr API page for details) This snippet choose the JSON method. All you need is PHP jso