That Sobek is screenshotted in "Exodus". What I have noticed when trying to screenshot the main FS2 campaign with all the most recent shadow and per pixel lighting Valathil builds is that the "canon" ambient lighting completely ruins the look and feel of the game. I *urge* for the next MediaVPs release to drop every non-nebula mission ambient lighting to something like less than 20 for each color (that shot above was taken with 10,10,20 - to counter the yellow sun with a little bluish ambient - IIRC)
e: My memories were making the problem worse than in actual reality. But still, here's a comparison:
With canon background ambient lighting:
With zero lighting: