Run outside. Take a picture of the first thing you see. Run inside. Take a picture of the second thing you see. Write about the connection between these two random objects, people, or scenes.
Word association or image association games are my favorite. We used to play one on the farm called Coffee Milk and it was hilarious.
The first thing that jumps to mind when I look at these two images is my best friend from high school. Long after high school, in our late 20s and early 30s, we lived together in Los Angeles. They were some of the best years of my life. We had so much fun together, just like high school. We were always going to see some live music or down to the beach or out for a night on the town somewhere.