User blog comment:Paperluigi ttyd/Changes Across the Board/@comment-3235402-20120915195745

Or, we just make a whitelist for chat, like on some Minecraft servers. Someone would message an admin to add them to a MediaWiki page list, which would let them on chat.

Of course, I can't code even squat in JS or CSS really... :P

As for the slider, I've been considering it. Maybe you can add it yourself to replace the icon-links to the aliens, Omnitrixes, villains, etc. Make it look good. :D