Ok wait a second wait a second wait a second....
12 thanks so far? Before we all go thanking bugsy through the roof, take a look here:
http://forum.ppcgeeks.com/showthread.php?t=57164
This guy already discussed how to get perfect images a month ago, and one of the things he mentioned was setting brightness to -2. He's only been thanked twice (once by me

)
So yall should head to that thread and see what other findings he posted and give thanks where thanks is due.