It's that time of year -- strings of tiny lights are everywhere, and families are wandering around, checking out those lights. If you're like me, you bring your camera along on these light-viewing jaunts. And if you're like me, you use your camera to take boring old pictures of boring old lights. But if you have a decent digital SLR camera (or have a camera phone and are willing to make some compromises on which techniques you use; see below), you can do some nutty stuff -- and it's not hard at all.... READ ON