Complete new instruction page located here.
This is especially important in the classifiedds section. But generally speaking, many of us like to know where all you other 914 whackjobs are located.
Here's a quick tutorial in a nutshell.
Click the "My Controls" link. It can be found at the top of every page of the 914club web site.
Click on the "Edit Profile Information" link
And finally, add you location in the "Your Location" field.