JustBlogIt with a simple right-click.

If you're looking for a simple blog tool to help you post from any website, here it is.
JustBlogIt with a simple right-click.: "Updated to work with Firefox 1.5"
From the FAQ:

What is JustBlogIt?

JustBlogIt is a Mozilla / Firefox extension to allow easy right-click posting to a weblog. From any website your new blog post is only a right-click away.

How is JustBlogIt different from a other blogging bookmarklets or context-menu tools?

JustBlogIt supports posting to a variety of weblog system types and is not specific to just one. You can also use the Custom... setting to add any weblog type you want. More importantly, JustBlogIt supports seamless posting from within many web-based News Readers. JustBlogIt checks to see if you are trying to post from a News Reader and adapts the blogging data accordingly.

What weblog types are supported by JustBlogIt?

Blogger, Drupal, LiveJournal, Movable Type, Radio Userland, TextPattern, TypePad, WordPress, journalspace, b2evolution and BLOG:CMS. Plus you can add any weblog type you want through the Custom... setting.

Which News Readers does JustBlogIt recognize?

Bloglines, Rojo, Radio Userland and Amphetadesk.

What are the requirements?

You must be using Mozilla or Firefox and have an existing blog to post to.

I use MSIE. Am I out of luck?

You may want to check out this site for some reasons to switch to a better browser. If you aren't convinced, you can check out an earlier, klunkier, MSIE-only version of this extension here. It is no longer supported.