Install x11vnc for SuSE / NLD from x11vnc
Install vnc2swf for SuSE / NLD from vnc2swf
Only for first time
Start vncserver once
Edit ~/.vnc/xstartup and modify the last entry to gnome-session &
Make sure that no other instance of gnome-session is running with the same user name
kill the current running vncserver (command: vncserver -kill :1 # assuming that the display started in :1)
Every time
start vncserver
Howto use vnc2swf
Configuring an XDMCP Server For VNC