This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I recommend that you download the "Eclipse for Java EE Developers" package from the Eclipse download site - that has everything you need to add Tomcat support to Eclipse. Then to add a Tomcat server, choose New | Other | Server and choose your version of Tomcat form the list.