My day Job is working for Lijit, we provide a network search tool (called a Wijit) for Blog Publishers. Sometimes, as I support Publishers using Lijit, I come across sites helpful for parents.
Center on Media and Child Health is certainly one parents should visit, and get on their email list or just subscribe to their feed so you know when they post. They have a monthly e-newsletter for parents, please use and pass on this link to other dads or moms: www.cmch.tv/newsletter.asp
As a father of two girls, I am very, very concerned with how they view themselves and others, and how the idea of beauty should encompass the entire person, and not be based on perceived looks.
Yes, this is my personal parent propaganda here, but I think perception of beauty, especially for young women, is a critical component of how their evolving minds perceive the world and themselves now and when they are adults.
Center on Media and Child Health covers research and news about the effects of media on the health of children and adolescents. But don't let the 'research' or fantastic credentials of the site's hosts ( Children's Hospital Boston, Harvard Medical School, and Harvard School of Public Health) scare you away. The posts are street savvy and take Marketer and Advertisers HEAD ON.
You simply will learn more about the media's workings on your child's brain at Center on Media and Child Health's website than any other site I've come across. And TV, Internet, magazines at home begin at birth for many families, so this information is relevant even for our new dads and moms.
http://cmch.typepad.com/cmch/