This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
I have written a short tutorial how you can use OpenID to authenticate users in JForum. Maybe this topic is interesting. As a result of this jforum configuration users need no further to register (username/password) in jforum but can use there existing OpenID accounts. (e.g. yahoo.com, myopenid.com, myid.net, ...)