first off, misty, you literally reek of fun and playfulness and you are so 'girl next door' it's scarey. these are strong assets. so now you need to learn to work them for all their worth.
1. if you can't afford a makeup artist or the photographer shooting you doesn't have one on hand, get some books on the subject and learn how to apply appropriate makeup to your self, i.e., appropriate for being in front of a camera in a modeling situation. same goes for hair.
2. you need to lose a bit of weight and tighten things up. i'm not trying to be a jerk and, trust me, i don't have any room to talk. but i'm not in front of the camera. if you want to model it takes work and sacrifice and more work. you're not overweight or out of shape for the normal world. but being in front of a camera as a model ain't the normal world.
3. sex sells. it sells everything. you don't need to get nude in front of the camera to use sex to sell. what are you selling? yourself. make people want... make that make them eager and crazy to see more even if that ain't ever gonna happen.