Olazz that looks fab, they have done an excellent job, you must be grinning from ear to ear! I like that they have added rubber seal to the bumper/body joint, the thread protectors covering the fixings and finally that you were able to retain the factory mud flaps. I much prefer when this is possible as it keeps the wheel arch/body lines looking as they should.
To secure the spare wheels, I'd be tempted to use a plastic coated steel cable threaded through the wheel and holes in the wheel carrier arm, with the padlock inside the well of the wheel. I'd do this on each side and then have a third cable and padlock so that I could lock the two spare wheels together in the closed position if leaving the vehicle for a long period, or in a dodgy area. The visual deterrent is usually enough, and both wheels locked together adds another layer of security to the rear storage area, if I remember rightly you have a load guard, so if people wanted to access your boot they'd have to go through the back. Just a thought.
Top job!