Before 31st of December, you can design a WW1 scenari to win the new
set Balloon Busters, that's being released in January:
http://www.wingsofwar.org/forums/announcement.php?f=27&a=4
Here pics of the prize and info about it:
http://www.boardgamegeek.com/boardgame/39596
You can also repaint a miniature before the 30th of November to win a
basic set at your choice:
http://www.wingsofwar.org/forums/showthread.php?t=460
Have fun,
Andrea