you need a good image editing program. i like to use photoshop, alot of people use vector programs like illustrator. if you are not making a vector graphic, you must make it at a very high resolution,(300dpi is good) at actual size. then you have to get it printed, which still wont be cheap. i made my own marquee for my cab, and had it printed at Staples on glossy photo paper. it looks nice normally, but when lit from behind, it gets washed out. you would be best off to have it printed by someone like mamemarquees.com or similar place...which wont be cheap.