If you asked me what are the best tool that Microsoft ever created, I got to admit Window Live Writer is the answer.
You can add plug in so that can you insert video , map, flicker image and website image. The most important of all you write offline and upload when you have the connection. It is easy since you can get the actual view when upload it on your blog website.
If you want to get more tips and tweak on how to use please visit LifeHacker.com.
You can download it here