This utility allows conversion of BMP graphics to the various DXT (DirectX Texture) formats as used by Microsoft Flight Simulator 2002. It has the ability to merge a base BMP file with an 256 color Alpha BMP mask to create transparent DXT textures for FS. This is useful for enabling ground textures to have the transparent water features as built into Flight Simulator. It may also be used to create transparency for models in FS as well (DXT1 and possibly other DXT and / or Extended BMP formats)