Thanks for the quick replies folks. I got it to work by creating a copy of my texture and blacking out all the image except the lights. Then loading it and applying it to my mesh as follows;
sttex = LoadTexture("media/lights.bmp",4);Masked
TextureBlend sttex,3;Additive texture. Thanks Mustang.
EntityTexture spacestation,sttex,0,1
sttex = LoadTexture("media/lights.bmp",4);Masked
TextureBlend sttex,3;Additive texture. Thanks Mustang.
EntityTexture spacestation,sttex,0,1