What's your Gamestudio edition, that means do you own the commercial or pro edition? If yes, a shader will be the best (and even the easiest) solution.
If not, you can use pixel_... instructions to blend the two textures together (have a look at bmap_for_entity, too).
"Falls das Resultat nicht einfach nur dermassen gut aussieht, sollten Sie nochmal von vorn anfangen..." - Manual
