Well I haven't tried any more star trails because it has been too cloudy or too cold!!! So here is a picture I took a couple of months back when playing with slow shutters. It was taken with the shutter on bulb setting and then I ran torch light around the outside of the leaf. It didn't give me the effect I wanted - I was trying to draw the outline of the leaf - but I liked the lighting effect it gave. See what you think.