How to speed up refresh for remote X11 displays via ssh

[Dave Feustel]

On Wed, Apr 22, 2009 at 09:43:53PM -0400, Chris Tyler wrote:
> On Tue, 2009-04-21 at 13:09 -0400, Dave Feustel wrote:
> > I now have X11 via ssh working on F9, but refresh of the remote X11
> > window is extremely slow, even over a 1GB switch.  Is there a way to
> > speed up the refresh?
> 
> Suggestion: If your hardware supports it, turn on compositing
> (Preferences > Look and Feel > Desktop Effects if using Gnome). As a
> side effect of drawing the windows offscreen and composing them into the
> final screen image, the windows are always mapped (unless minimized,
> even if not on the active desktop), do not suffer any damage when
> obscured, and therefore require far fewer redraws.
> 
> I often run apps at home and display them at work, and enabling Desktop
> Effects makes a world of difference.
> 
> -Chris

This looks like a plan. How do I do this running Xcfe?

Thanks.