Sorry, I missinterpreted what I saw on the last screenshot. I thought the bright model stood _on_ a dark entity. Now, I see it is standing in the shadow of a block or something! Sorry, for the confusion!

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt