Wamp has their 5th annual year-ending painting competition up on their website.
Open to any manufacturer, scale, subject (including busts), you have until February to get your piece ready.
From the forum post:
Our big end of year painting contest is back for its fifth year. Open to any manufacturer, scale, genre or subject including scenery, busts and terrain.
Some great prizes up for grabs with an end of February deadline.
Full details on Wamp