Story Listening is about the story, the drawings are a tool to make it comprehensible. Your drawings should be quick and recognizable, but they do not need to be perfect illustrations. Stick figures are fine.
Drawings help students relax. If students laugh, laugh with them; it will create an emotional connection, further aiding acquisition.
- Draw people with just the head, neck and shoulders, or balloon people. Eyebrows are the key for emotions. Tutorial: https://www.youtube.com/watch?v=4za5eEmkcCM
- Draw animals with simple shapes. http://www.hellokids.com/r_575/draw...
- Draw quickly. Practice quick drawings and see if the computer can recognize them in under 20sec. https://quickdraw.withgoogle.com/#