Can someone tell me how i must to set parameters in WED / in my script if i want to my models was being affected by all lights in level and sun.

Is some tutorial about dynamic lighting ,in general.I dont want any static lightmaps (i think is called stencil shadows)

p.s how i can set sun to night mode (because if i want to do some night scene i set sun - 0 elev. 0 pan and nothing will happened (my models are affected , no night in my level)