Really nice effects so far. Here is mine. I started out with Kimi's homework, which I didn't do because I didn't like the effect on any of the photos I tried. Anyway, Ctrl J to duplicate, Ctrl U to desaturate, Ctrl I to invert, change blend mode to over lay (end of homework). Next I did Filter>Render>Lighting Effects>Omni (default settings and move the center point to the center of the red orb) click OK, then Filter>Adjustments>Posterize Levels 3 click OK.
This was fun. What a fantastic picture there was so much to see in it, thanks .