Where can I find food coupons?

What are some good magazines or websites that I can find food coupons?Where can I find food coupons?
I think the following sites should help:





http://www.FoodCouponsDirect.com





http://www.AllPrintableCoupons.com





Let me know...they are all free coupons, without registering for them!Where can I find food coupons?
I use www.couponloop.com all the time. The only grocery store that doesn't accept internet coupons is Waldbums, but never had a problem anywhere else.
The problem with a lot of online coupons is many stores will not accept since many forgers out there. Try for local weekend paper for the best coupons that stores will actually accept.
google coupons
the coupon mom.com. There will be links to printable coupons.
coupon bug is one.