I aimed one square spotlight at the window. Gave it a little gradient to tweak the light's color. No fill lights have been used, no sun either. I've turned the scene ambience to full black (very important to TA) I didnt have any problems with light peeking through the open sides of the room, the walls that were there obstructed any of the spots light that did not go through the window (If needed it's simply a question of controlling the angle of the spot by adjusting the x,y and z sizes of the spot object).

I did notice the dark area's turn out rather very dark on monitors that arent all that bright... It looked great on my sony tv screen though... I'll try 'n keep things more in check next time

Oh, btw I really really hope bryce7 will come with some exposure controls (lineair, and logarithmic exposure control at the very least.) and 16bit per channel render output! If we could have those it'd be possible to create such truely wonderful TA images. Currently you either lose brightness of indirect light or darkness of shadows.
16bits per channel would be purely for postwork purposes. 8bit leaves so very little room for tweaking levels, curves, brightness, contrast and that kind of things.

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