You can check here the latest results of the finished competitions. Everyone participates automatically but you need to claim your price within a week after a competition ended. I added also extra points with your price so you can claim faster this amount to your micropayeer!
Screenshot 14th February 11:30 - claim until 21th February
Claim here your price (skip first 5seconds the ad - thanks)
These bitcoinadresses have claimed and received their price on time:
1Lcmunij72hJ2bpkaaN5jkBYBbR6XvYk8G got 100 satoshi and his points
15pM9ZT48VBePm2GTeN4CZrFVPUDJNqtbt got 30 satoshi and his points
1CGsesGM6fNSzLKoP51SpjDNiKmtzNF68F got 250 satoshi and his points