I am fully aware that hanging posters in your room will not fix the problem that we are charged with. I am also fully aware that perhaps cutesy quotes are overused in order to try and solve major problems. However, I thought these posters and motivational quotes from Zen Pencils would be something that this group would enjoy. These are free posters available on the artist's website:
This one in particular is one of my favorites. This one is a paid one, and I want to buy a large print of it:
The artist also specializes in turning famous speeches or quotes into comic strips. Here is one of my favorites from one of the people I admire most, John Green:
These are just for fun.