I've looked, though not intensively, but I 
haven't seen any Candidate for Goddess production 
art. If it helps, it's called "Megami Kouhosei" 
in Japan, and the characters that I use for my 
searches are:

���_��␶

So maybe it's just a matter of time before 
something comes up. 

I wouldn't mind some nice Gareas production art, 
though. Yum! :o)