The Browser Specific CSS Plugin allows you to easily target specific browsers and operating systems from your theme's stylesheet using regular css sel
The Font Burner Plugin allows you to easily add Font Burner Fonts to your Wordpress theme. (IF UPGRADING, BE SURE TO RECORD YOUR FONT BURNER SETTINGS
Configure how iPhones and iPod touches see your site. Add custom css, a home screen bookmark icon, change the viewport, or redirect to another url.
The Konami Easter Egg Plugin allows you to easily add a hidden Easter Egg to your Wordpress site and create a custom password to access the secret.