Using built in SSH support:

vncviewer -via ssh_user@ssh_host localhost:0

Alternativly create tunnel by hand:

ssh -N -L 5900:localhost:5900 user@host

Now the vnc viewer can be started:

vncviewer localhost:0

For further information have a look at ¹⁾

The vncviewer Hardy installs is tightvnc.

vncviewer -bgr233 …

plays the game with reduced colordepth, therefor saving bandwidth.

Scrolling in the window is done with rightclick and leftclick on the scrollbars, not dragging or pulling it!

F8 opens a menu offering some specialities.