Another tip from another richard regarding folders:
Tripod mounting can be a pain as the hole for the tripod screw is often too shallow for the screw, which bottoms out before the camera is firmly seated. I got round this by using my large format tripod, which takes the long Manfrotto 357PLV plates and a very slight modification. This plate comes with a choice of screws, which are interchangeable. For use with an old folder simply put a flat plain washer under the head of the screw before attaching it to the camera.
It shortens the effective length of the screw, is reversible for use with modern cameras and provides a large contact area to spread the load.
Smaller plates aren't so easily altered as the screws are held in with circlips.
richard