Putting a blitz light in with a premade lightmap may look quite unrealistic. Have you tried making sure that the level does not have the entityfx or brushfx set to fullbright?
Fake Lighting Techniques For Blitz3d
Blitz3D Forums/Blitz3D Programming/Fake Lighting Techniques For Blitz3dThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.