Learning to use Illustrator is not an easy yet hard thing. It's just a matter of pen tool and patience.
Until now I've messed up with the live trace tool to transform some of my cartoonish drawings into vector line-arts.
The first test has been the "astronaut alien ostrich rider" that uses a well know meme: "And not a single fuck was given that day".
Well, you see, in an art trade I ask you to draw something for me, like a character, a scene, or something, and then you ask me to draw whatever you want for you ^^