From the recent WordCamp Philippines 2008, I preferred attending the WordPress & SEO lecture by Hans Koch. He pointed out good notes to write down about some of the best seo-related plugins, and other aspects of seo that you can work with wordpress but he did miss something, that is working with the permalink structure.
I have checked a number blogs earlier and found out that most of them don’t care of the permalinks issue. If you’ll notice, wordpress permalink by default shows a question mark and numbers in it, obviously not search engine friendly. You can customize this by going to Dashboard > Settings > Permalinks section of your wordpress powered blog. You’ll see five options there for your permalink:
