La Leche League International
The CDC Guide to Breastfeeding Interventions
Breastfeeding Made Simple
14 Funniest Breastfeeding Onesies Collected by The Nurse Mommy
It's important to understand while there are strong opinions often time for or against a certain type of feeding, what matters most is that women should have the right to choose whatever is best for them and for their child and should not feel stigmatized in their decision. If you are a formula feeder, you are a good mommy too.
Here's a site for you: I Support You Movement