Best Adsense plugins for wordpress:
-Adsense Deluxe -used for automatic insertion of Google AdSense ads to WordPress posts.
-Adsense Injection inserts Adsense code randomly into a blog
-AdSense Widget for WordPress Sidebar- WordPress AdSense widget for your blog
-AdRotator Wordpress Plugin rotates adsense ads with other affiliate programs
-AdSense Manager is a Wordpress plugin for managing AdSense ads on your blog.
-Shylock Adsense WordPress plugin -allows you to insert Adsense ads on your blog without modifying the template.