Good question. No one knows, it is apart of a "secret system" that has to do with the F4.
However, the only way you get a medal for a spot is if you post a lot of stuff to the particular spot. Just keep adding things, and being active in the spot. Here's a link: link
Best of luck!
posted over a year ago
yeah! but it's hard! and it taked a long time. I just got a "dedicated fan" medal for the TDI spot and I joined it 5 moths ago!