Anonymous posts by registered users in FireBoard(repost)

I would like to allow anonymous posts by registered users in Fireboard. Meaning my registered users would be able to choose if they want their post to be anonymous or not when posting (post like guest/visistor) in forums for registered users. If the registered user choose the anonymous option it will look like a guest post, no avatar no signature no link to profile. I am using Community Builder so I don’t want the anonymous post to show up on the forum tab or in the total post count in the cb profile. Joomla 1.0.13 Fireboard 1.0.4 Community Builder 1.1