Create A Birthday Cardconvertible Car How Do I Create Professional Looking Cartoons?

How do I create professional looking cartoons? - create a birthday cardconvertible car

I want to create a comic, but no matter how much exercise can not be created drawings that up to my standards. I have a great story and characters, but I create a big picture? What kind of computer I for comics. Is there any advice about the nature of drawing and coloring agents are used?