Blog editor (free Firefox extension)

ScribeFire (previously Performancing for Firefox) is a full-featured blog editor that integrates with your browser and lets you easily post to your blog.                          
 
ScribeFire (previously Performancing for Firefox) is a full-featured blog editor that integrates with your browser and lets you easily post to your blog.

You can drag and drop formatted text from pages you are browsing, take notes, and post to your blog.
https://addons.mozilla.org/en-US/firefox/addon/1730


Desktop blog editor comparison
Sat Jul 29 2006

http://lifehacker.com/software/blogging/desktop-blog-editor-comparison-190652.php