UnPuzzledTraffic has a 2:1 ratio, has a 6 second timer, does allow rotators, does not require you to login to surf, has an Alexa rank of 10,622,394, and has had 74 hits tracked on the last 6 week report. UnPuzzledTraffic is owned by Natalie Szytow and is powered by the LFMTE Traffic Exchange Script.

Free Membership features :

2:1 - 1:1 traffic ratio
10% commissions on all first level referral purchase
5% commissions on all second level referral purchase
10% of referral surf credits earned
10 free surf credits per month
dynamic surf ratio increase while active surfing

Link : unpuzzledtraffic.com