This isn't anything like an unpaid internship IMO. The photographers can debate the benefits from exposure and promotion (I imagine saying you were the photogra

This isn't anything like an unpaid internship IMO. The photographers can debate the benefits from exposure and promotion (I imagine saying you were the photographer who did season X of a popular wedding show has quite a bit of value) but this is an in-kind trading of services. There's nothing wrong with the practice or this instance.