The third pic (the one of the floor) is the trim after I pulled my Neanderthal move.
The stuff you spray on the clear lenses is called "Nightshade". There may be other brands...But I got my can of it at O'Rileys. One light coat.
I think that if you get too heavy-handed, it gets too dark pretty quick. I'm using a red "lcd" bulb in the stock socket.
I'm using it on my front parking/turn signal lenses, too (w/amber bulbs).