I search for solutions in this order: Past Code, Unreal Source, Wiki, BUF, groups.yahoo, google, screaming at monitor. – RegularX
Legacy:Bright
From Unreal Wiki, The Unreal Engine Documentation Site
It's a texture utility application made by Epic. See Color Blending for more on using it.
http://udn.epicgames.com/pub/Content/TextureSpecifications/bright181.zip
