Windows Live Writer Beta is a tool that helps you to create and publish blogs easily with rich content like maps, tables, hyperlinks, tags.
WYSWYG tool, you can see exactly what your blog will look like before you publish/post it. It also supports plugins that will make your blogging easier and faster, please visit Live Gallery and WLWPlugins. Isn't it amazing?
Writer Beta is a free, downloadable program that works with Blogger.com, Windows Live Spaces and other popular blogging services.
Here's the link if you want to try Windows Live Writer:
Please read Windows Live Writer Basics.