PineCone Research...
Pinecone Research is currently accepting applications again. Click HERE to sign up.
I signed up last time they were accepting new members and have received several checks with another on the way. They pay $3 for each survey. It's not a get rich quick survey site, but they pay quickly and offer surveys pretty regularly (usually about 10-14 days). So far, they are the only survey site I've signed up with that I've gotten money from. If you're looking for a few extra bucks here and there PineCone Research may be for you!
HURRY though...these memberships usually go quickly!!
Another way to earn some extra gift cards, cash or prizes is Swagbucks.