NewsGator Technologies, makers of a great news aggregator for Outlook, released a posting plug-in for b2, allowing NewsGator users to post directly to b2 from Outlook. Titles and categories are supported.
If you are a NewsGator+b2 user, you can download the plugin on their website (it should also work with WordPress, b2evolution, b2++, or any b2-based blogware).

Note: This is a late post on my part, I'm sorry about it: the email about it had gotten shot as a false-positive by the spam filter -- proof that you should always check for false-positives in your email client!

If you just tried b2 and were a bit frightened by the default template, here's a nice b2 tutorial, by Ecila.

Adam Walker did a very good compiling info about b2 there, so go check his b2 template and hack archives !

Matthew Holger, aka Slide on the forums, has coded a handy Perl script for Palm users.
If you're a Palm user, this enables you to write posts offline and post them to your b2 when you resynch, using HandX webLog for PalmOS.

Download the script here.