WordPressStats Smiley Remover by Christopher Ross removes the smiley face that WordPress.com stats places in the footer of your web pages.
How to use the plugin
To use the WP Stats Smiley Remover, simply download the plugin from the WordPress repository and install it in your plugins directory, or install it via the Add New function of your WordPress website. Requires a WordPress.com API key.
Plugin homepage: http://regentware.com/software/web-based/wordpress-plugins/wp-stats-smiley-remover/