It appears that you are not going to stop until you have perfected it!
I have modified one a few months ago, it worked. I drilled a through hole (for air) and water enter from the side wall. Worked better without and water pressure. water is drawn up by the venturi effect of the air jetting out of the front orifice. As soon as I lowered the nozzle below the water level, the atomisation got worse. I did have time to go further with this.
Here is a picture:
