Rear cargo lights

I know Nissan has had rear cargo lights for a while. Not sure if they are on the 2nd gen taco. I have a 1st gen and wanted to put some on the truck. I wanted to put 2rectangle ones on either side of the brake light above the rear window. I have never done anything with lights.
Any advice on what lights to get. I would like really bright ones as I would like to use them for hooking up my trailer in the dark, getting stuff out of the bed in the dark, etc. I thought I would just wire it to a switch in the cab somewhere.
Where should I get the power for the lights from? Thanks for any help.

 

i got my lights at walmart, its a kit comes with 2 lights, wiring harness, and a switch bulbs are h3 nice and bright.