WordPress.org

1. Upload the entire content of plugin archive to your /wp-content/plugins/ directory, so that everything will remain in a /wp-content/plugins/wp-bannerize/ folder
2. Open the plugin configuration page, which is located under Options -> wp-bannerize
3. Activate the plugin through the 'Plugins' menu in WordPress (deactivate and reactivate if you're upgrading).
4. Insert in you template php <?php wp_bannerize(); ?> function
5. Done. Enjoy.

See Tutorial Video