Dynamic Image Slider
Pick any of your existing images, associate them with a desired post and present them on your desired pages. Slider has loads of options to choose from as well: crop positioning, speed attributes, link management etc.
Navigation Menus Administration
Instead of time-consuming and ineffective way of handling menus, we hurried to implement WP 3.0 menu administration that is simply amazing (This is WP 3.0 features: custom menu)