Coin Machine

As they say:
Here at the Coin Machine we have one goal: We want our members to feel welcome and know they can earn with a reasonable pace. And advertise at a decent price. Users will never be required to make a purchase of any type to receive payment.
Pay-out: $0,02 paypal; Ref. Level 1 : 10%; PTC (cents): 0,1 - 0,8

PTC House

PTC House is another low pay-out site. Easy to prove it's true.
Payements made very quickly!
What are you waiting for?
Pay-out: $0,02 paypal; Ref. Level 1 : 100%; PTC (cents): 0,1

Surf Cash

Surf Cash was probably the best PTC site when it was launched.
Dozens of ads everyday from 0,25 to 2 cents, a very low pay-out and payements by paypal in less then 24 hours. Really a must! After a month the ad's value decreased but it still is a good site with a very effective support forum.
Pay-out: $1 paypal; Ref. Level 1 : 10%; PTC (cents): 0,05 - 1

Koop Links

Koop Links is promoting the lowest pay-out ever. Easy to prove it's true.
Payements made in less then 24 hours!
What are you waiting for?
Pay-out: $0,02 paypal; Ref. Level 1 : 100%; PTC (cents): 0,1