One of my favorite resources for frugal living is Gary Foreman’s The Dollar Stretcher at http://www.stretcher.com/. The site is full of genuinely useful information. It is moderated enough that there isn’t a lot of irrelevant matter, nor too many tips that turn out to be not true.
In addition to the large array of fixed content, they have discussion boards too. http://community.stretcher.com/forums/ These are a good place to ask or answer specific questions. They are broken down by topic. So if you’re looking to save on food and cooking, there’s a forum for that. If you want to live greener, get out of debt, invest more wisely or learn about hobbies or homeschooling, there’s a forum for that, among others.
I get their daily emails, which you can sign up for at http://www.stretcher.com/menu/memberperks/memberperks.cfm Just about every email has something in it that I or someone I know can use.