Keep sketching, You are well on your way.
My teachers used to yell at me all the time for drawing cars in school, as I am sure they did to you. Now I get to draw cars for a living as a designer at Chrysler! Take that Mrs. Heath!
You are better that I was before College, so you are definately on your way.
Here are a couple from a while ago... Cant show anything recent, confidentiality and stuff.
Mark