Just a heads up. There is/was a payware company named Godzone that made scenery for New Zealand, they are now releasing their scenery as freeware. On avsim you can find Marlborough New Zealand, it contains the airports Woodbourne, Omaka and Picton. (The file name is installrnzmarlfs9.zip)
They also made Wellington freeware. You can also find it on avsim. (The file name is installrnzwellfs9.zip)