>>3379735Learn how to compose an image using compositional guidelines, use soft light and if you have the option, supplement it with your own (i.e. not blast flash at maximum power).
Get yourself to as many track days and events as possible so you can get practice in.
Oh, and for the love of God, wash and detail whatever vehicle you're shooting. You can't Photoshop out dirt, no matter how hard you try.
Stuff like panning shots are tricky to master and require time to get good at, but it's worth it.
