Ok simple solution. A glass of warm water secured inside the swining box and just before its needed drop a small piece of dry ice in it.
and what you guys were calling a fake cigarette is called an herbal cigarette you can buy them at health food stores or at prop shops. They can be lit and used on stage, they are actualy lit they smell so horrible. But you can smoke them.
Hmm you need a pink slip for a cig eh........
Well portland and california have some of the strangest fire code i have ever seen............Just goes to show you how fire code effects each of us differntly.