Buy a cheap projector for about $20.00 from a craft store. You can find different examples of flames and shine them on what you want to paint. Use a marker to draw your out lines and then mask and tape for paint. You will have to do this at night or in a very dark garage if you use a cheap projector. Even Norman Rockwell used a projector . I can draw pretty good, but if I am in a hurry or just want to get something exzct or even move an image around for different views, I always use some type of projector. If you can get your hands on one of those overhead projectors they use to give presentations with , you can make clear transparencies and shine the outline of flames on any surface. Move the image to the other side of the vehicle and just reverse the transparency. Hope this helps. RAD