Making A Wordpress 2.5 Sidebar Widget Plugin
How to create and use a plugin widget in Wordpress 2.5. Covers settings up and using sidebars in your template, activating your widget, and displaying your widget. This tutorial is best suited for people familiar with both PHP and Wordpress themes and plugins.
http://www.good-tutorials.com/tutorial/27513/making-a-wordpress-2-5-sidebar-widget-plugin
