You can purchase Flooz at
http://www.flooz.com. Sometimes you can find offers where you purchase $50 worth and they give you a $10 bonus.
If you go to
http://www.why.com - you evaluate websites and you can win $10 or $25 worth of Flooz. I have won several times. I'm sure there must be additional ways to earn flooz, but I too would love to know how.