Blogging communities: they're fun!

In the great, vast world of blogs exist tons of blogging communities, which are a great way to introduce yourself and meet other bloggers. In case it's not been noticed, Tightwad loves badge bling. It's like being in Brownies again except instead of a sash I've got a column dedicated to them in my blog. This list will never be finished, because Tightwad is always finding new and exciting blogging communities to join. The following list* ranges in scope from specifically blogging groups to mom and frugal communities. If you are part of an online blogging community that hasn't been listed, please send me a note so it can be included.
Lady Bloggers Society
Multiples and More Blog Network
BlogFrog
Mom Bloggers Club
The Mommy Blogger Directory
Mom Blog Network
The Blog Guidebook
Blog Catalog
Best Green Blogs Directory
The Mom Blogs

W Personal Finance Network
Theta Mom
Blogupp
Frugal Hacks
D-Listed Mom Blogs
Blog Mommas
Picket Fence Blogs
The Bloggers Club
Hub Pages
Blogger Black Book

Canadian Moms

* Please note that despite Tightwad's best efforts to assign each of these entries independent links, for some reason some of them are clustering. Many of them are also on my side bar.