>> Actually, a question about the wire that holds the curtain against the wall.
>> 
>> Where can one buy replacement wires?  They appear to be springs in a plastic
>> coating.  Any idea where one could find these?
>
>They are all over the place in the junkyards.  I scavenged a set for my

They are easier to buy NEW at a curtain store, comes in white only. Pick up 
the tiny eye screws that thread right into them, cut coil slightly too 
short, add eyescrew,  and fix them onto the walls of your bus with a small 
sheet metal screw. Done, clean and fresh. tim s.