Here are a couple of my latest Demonstrations. These have to do with my project for the NKS Summer School: “Outer-Median Cellular Automata in 1D, 2D, and on Graphs”

"Four-Color Outer-Median Cellular Automata in 1D" from The Wolfram Demonstrations Project

Four-Color Outer-Median Cellular Automata in 1D

"Four-Color Outer-Median Cellular Automata on Graphs" from The Wolfram Demonstrations Project

Four-Color Outer Median Rules on Graphs