Ren0, thanks for the tips.
About the glows: I dunno whats causing that, theres actually one for each window and they are at a pretty low intensity (60). They look fine here (I can only run in software here, Im not home) but they looked f**ked up at my friends pc (who took the pics).
We also lowered the intensity for like 20 and it still looked f**ked up, so I dont have any idea on how to fix that.
I maybe keeping only one to give the effect of sun.
fraggard: Its for a brazilian contest, the deadline is may 1st I dont think anyone here would be interested but heres the link:
http://www.leveldesign.com.br/forum/index.php?s=535927d9d5abb89761429379b85f0396&showforum=51