Best thing to do is to go around all the posts adding your comments - especially in the "off topic" section.
They soon mount up - how do you think the rest of us built them up?
Then once you've subscribed to a few threads - BINGO! you're hooked and your on the way to a thousand in no time
Steve
Beat you to it
Good job cos I've got no idea how to! lol
http://www.minimins.com/slimming-world-off-topic/212695-sw-award-stickers-your-signature.html
Does that work? its a great thread
Good luck, hope you get your 7lb this week x