Was browsing the web for WW1 airship pics after reading this thread, came across this pic of airship under tow at Pulham:
http://www.flightglobal.com/airspace/media/mike_o/pulham-airship-station-ww1-89341.aspx
Hope it's not thought rude to link to this without asking, but I saw no way of contacting on the site.
The finest stories of the Great War are those that will never be told.
Nice find!