Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
The banners are .swf banners. This means any frame in the "shockwave flash" movie file can contain a redirect. They can be programmed to go off at different times.