Actually sounds pretty cool. Maybe it could be like a lottery thing every day where you can submit a certain amount of gralats (maybe 30?) if you want your guild on the board and the next day it will display the guild of the leader who won. The billboard would show the guild picture and the guild name and if you tapped it with your finger it would pull up the guild. Of course this can be abused by people putting up naughty pictures where all of Graal can see. This is already being done, but it is easier for staff to remove them without a larger audience seeing the picture.