Constructing a WordPress Plugin Admin Panel | Devlounge http://www.devlounge.net/code/constructing-an-wordpress-plugin-admin-panel
How To: Load Javascript With Your WordPress Plugin « planetOzh http://planetozh.com/blog/2008/04/how-to-load-javascript-with-your-wordpress-plugin/
The complete guide to creating widgets in WordPress 2.8 http://justintadlock.com/archives/2009/05/26/the-complete-guide-to-creating-widgets-in-wordpress-28
How To Create Widgets with Control Panels – Lonewolf Designs http://www.lonewolfdesigns.co.uk/wordpress-widgets-control-panels/
How To Create WordPress Widgets – Lonewolf Designs http://www.lonewolfdesigns.co.uk/create-wordpress-widgets/