Sorry this is a bit late. I was traveling and just got home. I love your work and it was a bit hard to come up with a challenge. For this week, though, how would you like to try starbursts. This can be done in the day, or at night. Just need that small aperture and a light source. Here's an article to help you get started: http://photofocus.com/2013/07/09/wanna-add-pop-to-your-pictures-try-a-starburst/
If this doesn't work, let me know and I'll set another. Have fun!
If this doesn't work, let me know and I'll set another. Have fun!