Is it possible to use in Blender, lamps IES/Photometric data and export object to XP http://sitelighting.com/ProductIES.cfm?Style=DF12&Brand=gar&ProLine=dfl If so, then you get correct illumination of lamp.
This bird is very stunning. 59.95$ is very sheap for this plane. I mean, you get a 1000% value for you money. I purchased my own and WOOOOOOO !! What a feeling. !!! and those textures. I recommend to all. cheers -arskal-