AU Footer plugin lets you add html code to your website footer. A footer on a website is where you typically have your copyright notice. You no longer have to update the footer template manually which is helpful for theme updates and switching themes.
My Top Commentators is a plugin that allows a blogger to discover who are the most active commentators on his blog (via the WordPress Dashboard, so other people will not see this information). You can also use different time frames for the top commentators.
A handy widget that allows you to display 125 x 125 ad banners in your sidebar. The links and images are configurable through the admin interface.
Photo Galleria plugin synchronizes Galleria with built-in media manager in WordPress. Simply upload photos as normal and the Photo Galleria plugin will create a photo gallery with fade-in and fade-out effects common on flash-based websites.
picasaView allows you to easily view your picasaweb albums in your blog. To achieve this, all you need to do is to insert a placeholder wherever you want to display your album in a post or page. You can also use a PHP code snippet to display the album in the sidebar.
MaxRef Widgets is a powerful way to add unlimited widgets on your sidebars to display posts only from a certain category, the links from a particular link category, comments and more.
Feed reading blogroll provides a sidebar-widget and a template-tag that add an enhanced blogroll to your sidebar. It checks on all your linked sites for which you saved a separate feed-url, when the most recent update has occurred.