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.
I have a new link for you, this one is a PDF explaining the usage of the SAAJ library. It looks like it covers what you need (especially around pages 40+). Of and here is another one covering the same topic [ October 07, 2008: Message edited by: Martijn Verburg ]