Thanks much Agiel, this is exactly the kind of test I wanted and the last image, is exactly the kind of result I was looking for ;-) I too have found that adding some sunlight detracts from the "purity" of radiosity lighting - but hey, we're not scientists, we're artists and as such we are allowed to break every rule that we want! ;-) So you say in the last picture you gave 30 % ambiance? This must mean 70% sunlight, but judging form what I see I would say the opposite (30% sunlight and 70% ambience), are you sure?