Getting decals for a vehicle is one of the most fun things people can do if they have children in the sport, or they are cheerleaders. This is an easy thing to shop for if you know where to go. However, having decals shows people your love of the sport and the fact that you support them.
Make sure the decals you get are in the place you want them long term, as many of them cannot be moved afterward. You also want the decal to be big enough to be seen, but not so big as to be gaudy. IF you can get decals that show your school, or the school of another person, it might get you extra attention from others who attend that school.
There are tons of different types of cheerleading decals, and they can make life a bit more exciting.