If you have a blog and like the Firefox browser so much that you want to make posts from it directly without having to log into your system’s control panel, then check out the ScribeFire Blog Editor add-in.
ScribeFire 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, upload images, and post to multiple blogs.
This add-in has what you would expect from a blog post editor with the added convenience of being available without having to install additional software. ScribeFire supports most all of the popular blogging services as well as blogging systems in the event you host your own.