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.
Then you should clarify what you're asking. That post seems to tell exactly what needs to be done in order to use JGoodies in your code, and it also points to where the documentation is in the download (although I suppose that may have changed since 2005 :-)
So: what have you tried, and what was the result of that?