Don't know if you win the prizes or get them for free, I think it may be like triple M freq club but you have to do quiz's to get points, thought i'd post this and the address and let 1 of the moderators fix it. It's a U.S.A site but it says it's open to the world and you can put Australia in for a country.
http://www.therapcella.com/asp/rapquiz.htm
