• All in One SEO Pack - Out-of-the-box SEO for your Wordpress blog.
• Google XML Sitemaps - This plugin will generate a special XML sitemap which will help search engines like Google, Yahoo, Bing and Ask.com to better index your blog.
• Page Links To - Allows you to point WordPress pages or posts to a URL of your choosing. Good for setting up navigational links to non-WP sections of your site or to off-site resources.
• Yet Another Related Posts Plugin - Returns a list of related entries based on a unique algorithm for display on your blog and RSS feeds. A templating feature allows customization of the display.
• Another Wordpress Tracker Plugin - Lets you easily insert your own visitor tracking code. Supports Google Analytics.
• Banner Generator - Generates image with last posts title. Edit bGen settings under Settings menu. Your upload folder must be set and writable!
• Redirect - Simple redirection using Custom Fields.
• SEO Super Comments - Use your blog comments to get more traffic.
• Sociable - Automatically add links on your posts, pages and RSS feed to your favorite social bookmarking sites.
• WP-Affiliate - Easy affiliate link masking and more. Now Featuring: Commission Junction Search Capabilities! Click Tracking

Wordpress has grown from being the most popular blogging platform to become a highly flexible Content Management Solution. Your goals and motives for using wordpress will be different from our next customer, so you won't need to install all of these plugins. Most of them are there to either make your site more searchable or more sticky.

Search the plugin directory or follow the links for a manual download.