Is there any way to speed up my display while using remote X servers or VNC?

With standard GNOME or KDE settings the screen is constantly refreshed when windows are dragged around the screen. This causes a lot of graphics data to be sent over the network which can be problematic over a slow network connection. It can also cause problems where windows in the background are not properly redrawn. To fix these problems, GNOME or KDE can be configured for decreased graphica...