How to add a custom post type icon to your WordPress theme, including downloads to use the portfolio icon and directions for styling the admin screen.
How to Add a Metabox to a Custom Post Type
A tutorial explaining how to build custom meta boxes to be used with different post types.
Custom Post Type Resources
The ability to create custom post types was a great feature added in WordPress 2.9 and then expanded in 3.0. It allows us to add and label completely different types of content than the standard “Pages” and “Posts” we’re all used to. To get started with this, here’s my recommended list of links and resources.