This was a setup shot. Using a 5-inch bowl, I made an Island with pebbles, added water, and then added a few ants. I clicked away for 15 minutes while sitting at my desk. Cleanup was easy as I put the ants where I caught them and put the pebbles back in the garden where I collected them.
BTW... I use AK Diffuser:
https://akdiffuser.com/