Sidebar widgets are one of the best features of WordPress blogs. After all, the vast majority of all blogs have sidebars and contain at least one widget.
Category and Page Icons
Using this plugin, you can add icons (images) to sidebar of your site or blog into section of categories and pages. All features are flexible and ajax based.
Content Aware Sidebars
The Content Aware Sidebars plugin allows you to create multiple sidebars and to assign rules to each to control when and how it is displayed – it can replace the default sidebar or merge with it. The sidebar manager makes it incredibly easy for anyone to create dynamic, custom sidebars without the need of code.
Video Sidebar Widgets
This plugin enables the user to embed Flash Video from 14 video sharing networks into the widgetised sidebar and content of a WordPress powered blog. Video networks includes Youtube, Vimeo, BlipTV, Google, etc. This plugin consist of 2 widgets and 1 TinyMCE editor button.
Add Link to Facebook
is a plugin that enables you to add a link to Facebook, by automatically adding links to published posts or pages directly to your Facebook wall, pages or groups and more.
Flash Mp3 Player
It displays a cool flash player in your blog sidebar. You will be able to choose which MP3 file to listen and is more like the youtube player.