http://magentocrux.mavenstore.com/advance-newsletter-magento-extension-module-plug-ins.html The Advance Newsletter extension allows you to enhance and add useful and practical features to Magento’s existing newsletter functionality. It permits you to integrate your own newsletter layout templates with those of Magento. You can load and preview newsletter layouts simply by selecting one from a host of options. You can also modify and insert messages into pre-loaded layouts.