I'm trying to change some recessed lights with some surface-mounted lights. I'm doing this because the recessed lights are just not bright enough for us. The lights I'm replacing them with are completely made of plastic. The recessed lights are 4 inches. The original plan was to take the 5-inch plastic mounting plate and just anchor it into the ceiling on top of the can. The problem is that the hole for the recessed light is a bit too big for me to do this. I was thinking of using these 6-inc...