Badges removed. (Unfortunately the Nissan badge has pegs in the rear so it can't be removed without replacing it with another badge.
Residue left on the car.
The residue is best removed using a combination of white spirit on a cloth and heat from a hairdryer. It's easy enough but it can take quite a while!
Once all of the residue is removed wash anywhere on the panel or car that you may have spilt white spirit on.
Once complete it should look like this.
I initially covered the holes with a Transformers Autobot badge purchased from eBay.
After I smoothed the rear bumper in October 2010 I found the Autobot badge to be a little too in-your-face and it had also pitted over the course of 12 months so I made a badge using the online creator at domedbadge.co.uk, the badge is an Autobot logo scaled up so that only the eyes are visible on the size of badge ordered so it's as subtle I can get without smoothing the holes and getting the tailgate resprayed.