You are the Czech Casting Photographer ?
Interesting gallery. I too appreciate the variety of models as well as the casting element. That said though, most of these aren't professional models? That seems strange to me in that they're doing nude casting for something. Do you reach out to amateur models on sites like Model Mayhem or just come accross them and ask if they're interested? Or maybe they reach out to you? Again, casting (particularly nude casting) would seem to imply them applying for a very specific type of job.