There is hole in the terrain which throws that shadow, but yes it really is a little ugly :P

Anyways, I just got it to work with 4 Lightsources:


(Thanks to Machinery_Frank for allowing me to use that roommodel and those textures, if you like them just check out dexsoft)

Lite-C Tut. 1 Lite-C Tut. 2 Lite-C Tut. 3 (en)
Shader Tutorial (ger)

http://www.slindev.com