so since i got asked for 1-tile tunnel scripts several times now, i decided to just make them public.
file includes tons of other usefull scripts too.
the tunnel scripts are called line N/E/S/W. (important note: ALWAYS SET SPEED 1 WHILE USING IT!)
http://www.mediafire.com/?7zffnem5fkcnao5
have fun
edit: those are for the pande client.