To ignore a user on the discussion boards:
*look the user up in the user list (You can alphabetize the user list by clicking the "Display Name" link at the top of the listing).
*Click the name of the user you want to put on ignore.
*Click the "Ignore this user" link in his profile.
*To reverse this setting click the "Stop ignoring this user link" in his profile.
"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways, totally worn out, shouting 'Holy Shit! What a ride!'" ~Hunter S. Thompson