Creating a simple repeating pattern. I didn't like how the first set of "spheres" looked when right up against each other, so I did the second one as a compromise.
A set of stamps commemorating something. I did not invent the flag; it's the actual one used in Duck Dodgers in the 24½th Century.
Two versions of a PSA on the same topic. I had a classroom/office poster in mind, which is why there's so much text. It should've been a bit lighter if it were to be made into a billboard or something.
Not making this up - the day I chose the topic, a friend of mine from high school contracted food poisoning from eating at a Philly restaurant. (She's okay now.)