I was inspired by the cartoon network simple CMYK art done to advertise shows, so I made a program based on that... roughly.
Use a lot of brushes make things! This one actually comes with the ability to *gasp* change brush sizes! I know it may not seem impressive, but it was a very major triumph for me.
Honestly I'm mostly happy with how it came out. It was hard though. I used primarily switch statements for this, and a random number generator for some of my brushes. It was a difficult but overall fun time!
Coding in a triangle was probably the hardest part. Multiple searches and attempts before I found the right page and a lot of trial and error on my part.