When the sun goes down, you can use a slow shutter speed to capture great light streaks as the cars pass on a nearby street. You can also use a slow shutter speed to capture a motion effect during the day, but you’ll likely need a Neutral Density filter to stop down the amount of light entering the camera, and the passing cars will probably not have their lights on. After dialing in your ambient exposure and setting up your flashes (which we’ve used in the above image to freeze our subjects in the frame), direct your subjects into a pose and capture the magic. Shutter drag images work well to wow most clients, especially when they’re well executed. Finally, create a composite in Photoshop using different images you’ve captured of the passing cars.