Dear Giana, Using transmaps doesn't mean anything for lights. Trnasmaps only make a visual transparent look. Light will see it as one whole object without the holes. THat's why I took the time for making those pattern. I figured this out whole I was making a Hawaiin Grass Skirt. I made it with transmap and when I rendered it. the skirts shadow was casting like a normal skirt where It should have been casting like a grass skirt. That's when I noticed the Transmaps don't mean anything for lights. Ohh what happened after? I had to model a 60.000+ polygon grass skirt. I hope the infromation has been helpfull. And yeas, all of the spheres are models, not transmaps. Best regards, Umut.