Everyone knows that WordPress is one of the most, if not the most, popular blogging systems on the internet today. With its out of the box features, plugins, and great theming community, its no wonder WordPress has been accepted as today’s standard. However, sometimes you just want to add a little more.

It seems the latest fad to hit the WordPress scene is adding thumbnails into a blog post. This is fairly easy to do with some knowledge of custom fields, but can be a little complicated if your client is new to WordPress, or blogging. Function taught us how to create custom write panels with add_meta_box.

Source: Tutorial: Creating Custom Write Panels in WordPress