Today I put together an optional patch for the South Island.
If you fly over Lake Wanaka, you’ll notice that it’s a combination of ortho and water which usually looks quite good, but if the ortho is captured with large reflections, boat wakes or discolouration, then it’s a bad outcome.
So I’ve edited the ortho to be a more generic blue:
Before:
After:
Before:
After:
The replacement textures can be grabbed here. Simply overwrite the texture files of the tile: -45+169.
Categories: Flight Simulation
On a layOver 
Freeware – OSM Overlay for New Zealand and the Chatham Islands 
The (Over)lay of the land 
Lyndiman’s Ortho UHD Mesh Release 
Lyndiman's Blog 
Thanks Richard That looks a lot better. It had spilled over into Hawea slightly as well, but not enough to worry about. Brian SIG