Many people like to save the graph images for sending to friends, or collecting after a great session.
With the Bitmap images, this was a simple right-click "Save Image as..".
The new HD graph images you can't do this, so here are some options:
Option 1)
Specify you want the "original" bitmap graphs by clicking this link:
www.seabreeze.com.au/weather/settings/bitmap
Option 2)
Use a screen grabbing tool. Windows has a snipping tool , or the Mac Grab tool