I think your talking about medals, like Dedicated Fan, Die-Hard fan and Fanatic. There are a lot of things u can do to get them. u can contribute quality contents like images, videos, articles, linken and u can start active forums and picks. Also if u rate stuff. If u want meer information go link
if u mean medailles , u just have to uploaden as many stuff as u can , on the spot u want!when i say stuff i mean iconen , videos , picks , vragen , and others!i only have one medal , of course , so i might haven't gegeven u the best answer!