Well, there's only one way to find out. This is a test of theby Alex King.
It works. It showed up in real-time at http://twitter.com/TomUsher as the following:
New blog post: TESTING: TWITTER TOOLS, WORDPRESS PLUGIN, BY ALEX KING http://tinyurl.com/cepxu4
4 minutes ago from Twitter Tools
Now, I'll contemplate the other options that come with this plugin.
Credit to: Alex King: http://alexking.org/projects/
I've now switched on the "Give Twitter Tools credit?" option.