Ok.... I'm not going to flame here or anything but bro just listen.
You say you want to put a light coat on those headlights also. Those light < as for driving > are for shit....Ask. So not only are they bad for driving but them you want to put black spray tint over them? Which in turn will make them worse. Ok....
Trust me when I tell you. For the cost of that can of spray, Nite Shade I'm assuming. Plus the fact that you won't see at night. Get a ticket for the black corners and headlights. If you are lucky not to, all props. You could have gotten good ass tint from Tearoffguy for a damn good price and been well off.
I'm not telling you to be a dick. We are all here to help...just trying to help you from making very costly mistakes. And I'm sure you enjoy it and love working on your car like anyone else. Maybe like most of us, hard up for cash. But going cheap and the wrong way is not the answer.
Done ranting.