Cómo dibujar un submarino--how to draw a submarine. You could pick ANY of these "how to draw" videos to teach your group. You'd need some basic vocab to go with it: draw (dibuja), like this (así), etc. Some really good ideas here!
Digital Abstracts is raising funds for Playing Arts — Playing Cards Designed By Different Artists on Kickstarter! Unique playing card decks where each card is illustrated by different international artist in his distinct style and technique.