Erlik, I might know what you are talking about, I think it happened to me before. I think what you need to do is set the diffusion dots differently. Don't have both of them in the same channel of the pic. One of them, I don't remember which is probably causing the brightness you're talking about. For me, it was a white background on a pic blowing me away, and I set the Diffusion and Ambience Sliders to the default (not on the picture channel) -- But I can't remember if it was the top sliders or the bottom ones. I hope that fixes it for you.