Here is a blog that has free downloadable images that you can use when making handmade cards. http://www.littlemusingsblog.net/p/free-downloads.html
Here is a site that gives you rankings for craft blogs by several different criteria, http://www.invesp.com/blog-rank/Crafts
If you want to craft something as a gift on a small budget or decorate a room, this blog has lots of ideas and many tutorials, plus giveaways. http://dollarstorecrafts.com/tutorials/
If you are interested in crafting with recycled and upcycled materials, than this blog is for you. http://dollarstorecrafts.com/tutorials/ She also encourages her readers to submit tutorials to be posted on the blog.
This one also features various artisans, they also have contests plus categories for both card making and baking and treats. You will also find green and floral crafting plus much more, including craft projects for specific holidays. http://thinkcrafts.com/
You can find crafting ideas for mom and dad to do with the children at this blog. http://www.redtri.com/top-mom-dad-craft-blogs
If you are dedicated to crafting then this blog would most likely interest you. It list crafting resources, surveys and polls, discussion groups, plus of course projects and "craft happenings".
This isn't a blog, but it's a pininterest account listing images from craft and decorating blogs. I think there has been a great deal of confusion with pininterest. I know at first I thought the images would be a live link, but they are not. http://pinterest.com/martamccall/craft-and-decorating-blogs/
This blog is specially for those into paper crafts. Paper crafts is more than just cards and cut outs. http://www.papercraftsconnection.com/