I don't have a photo of this, but I have a red cable on the inside of the tailgate - when you pull it, it opens the tailgate. Kinda like an emergency exit cable. Reassuring when you're sleeping back there.
with ref to the led lights in the engine bay i did this and put a pin switch to trigger them and used the side light feed to power them so they are only live in the dark when you have the lights on.
The wave counter is simultaneously the most stupid and brilliant pointless mods have ever seen. Karma fot you