On your server, start the VNC daemon, listening on localhost only.
On your workstation, use something like this:
Code:
ssh -l mfaridi -L 5900:localhost:5900 your.vnc.server
After connecting and authenticating, start your VNC client on your workstation and point it at 127.0.0.1 port 5900.
VNC will then connect to your VNC server like this:
Code:
VNC client -> workstation:localhost:5900 -> ssh -> your.vnc.server:localhost:5900
This may help as well.