This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Tomcat is not just a JSP/Servlet container. You can use it as a standalone webserver. Anyway, for serving static files, the performance of the Apache webserver is better, so your best option is integrate Tomcat as a plugin within the regular Apache server or any other commercial Web server.