I really like how they combine art and these concepts. They deserve imagery and are hard to visualize without them.
Alan Watts has a number of talks on Wu Wei and visualizations.
https://www.youtube.com/watch?v=eeD3wS4fGEY
Additionally the metaphor through "The Tao of Pooh" does a great job as well.
https://wikipedia.org/wiki/The_Tao_of_Pooh
They might be Western bastardizations of what it really means, but they inspired me to write a take on it: