A fully-widgetized, jQuery-based sliding panel for your WordPress-powered blog. This widget area allows you to add whatever content you want to your panel.
How to replace excerpts for password-protected posts in WordPress with a password form instead of the standard no excerpt message.
A plugin that allows you to tie posts together in a series using the WordPress taxonomy API. It includes built-in widgets, shortcodes, and template tags.
A tutorial on how I used custom taxonomies in WordPress to build a complete movie database and an explanation of how taxonomies can be used to enhance your site.