If you are new to couponing and don't know where to start, I would suggest to go to CouponMom.com and download her wonderful book "Cut Your Grocery Bill In Half" and her other books.
This is how I got started; it's easy. It's a great manual and it explains just about everything you need to know.
Once you understand the savings game and you follow frugal savings blogs you will be in on the game. Following blogs will keep you update on all the great savings.