Unhostile said: You sign up at digg.com then you go onto some of the news, images, games, video's etc that are on the myps3.com.au and find the digg icon, you then get a total of ten, when you get ten you go back onto the digg website and click on one of the new's, games, videos etc and you copy + paste the link on the website.
Then you await for a administrator to confirm you have 10 and if there all good then you get the badge
Assuming I remember to give you guys the medal in the first place. 
But yeah, that's pretty much it. 
Also, it's all explained in the first post in this thread. There are also links.