This February 2012 news is full of very interesting news:
Ludotecnia: Concurso de Cazatalentos, edición 2012
Ludotecnia publisher announces the Concurso de Cazatalentos (Talent Scout Contest) for this year with 4 categories: Story, Game Design, Illustration and Cover.
To obtain more details and download the rules you may check
this link.
At the moment of writing this post the category devoted to Game Design there are more than 40 participants, me included.
Note: This is a Spanish language-driven contest.