http://cardshop.nwf.org/cardsample.html

http://www.startsampling.com/sm/25706/captureAddress.iphtml?item=25706&source=SUAVE_COM&p=
Heres the spanish link, should be able to sign up for both
http://www.startsampling.com/sm/25709/captureAddress.iphtml?item=25709&source=SUAVE_COM&p=

http://goody.com/Promotions/freebies.aspx -first 1000

http://www.americannaturalpremium.com/feedback/Free+2+lb.+Bag

http://www.campaignforrealbeauty.com/dsef07/t5.aspx?id=9626

http://advertising.seventeen.com/ban/sweeps.html -first 5000 -you have to say that you’re between 13-21

Link

https://www.angelicaromacandles.com/Free_Sample_Survey.html

http://www.hbs.edu/cler/current.html