I've mentioned this program before, but I thought I'd post a detailed How-To set this up. You can use Live Writer to write your blog posts to Cowland (and other blog-services). It's pretty freakin handy in my opinion.

The features (which don't mention the Spell Checker for some reason):

What it is

Windows Live™ Writer is a free, downloadable program that will help you include rich content in your blog posts and know exactly what your blog will look like before you publish it to the Web.

What it gives you

• WYSIWYG editing: Edit using the style of your blog, including fonts, colors, line spacing, margins, etc.

• Rich content: The ability to insert and customize rich content like photos, maps and more

• Offline editing: Support for offline editing to compose posts even when you're not connected to the Internet

• Blog preview: Rich HTML and source-code previewing of your blog post before you upload it

• Smart image publishing : Smart image publishing directly to your blog automatically links your thumbnails to larger images with more detail
• Compatibility: Support for publishing to Windows Live Spaces, as well as Blogger, LiveJournal, TypePad, WordPress, and many other servicesChange the size of your graphics, and add borders and other effects