Confident Commits, Delightful Deploys
Scaling WordPress
Writing Your First WordPress Plugin
Writing Secure Plugins — WordCamp New York 2009
Secure Coding With Wordpress (BarCamp Orlando 2009)
"State of the Word" at WordCamp Mid-Atlantic, by Mark Jaquith
Wordcamp Charlotte: WordPress Today and Tomorrow
Creating and Maintaining WordPress Plugins
Amping up your WordPress Blog
Coding, Scaling, and Deploys... Oh My!
WordPress Security - WordCamp Phoenix
Contributing To WordPress
BuddyPress and the Future of WordPress Plugins
What I Hate About Wordpress
Secure Coding with WordPress - WordCamp SF 2008
Cache Money Business