This shot was rendered using Blend2cs dos-promt program in Hardware Mode:

This shot was rendered using Blender2Crystal 0.6 in Hardware mode using Shadowed:

My question is about the wierd coloration. If I use Standard mode then it renders more like the above screenshot except that it doesn't render shadows on the floor any more. If I render using Diffuse or Shadowed, then it gives this weird coloration effect.
Any ideas?