My initial thopught was to show a group of POW's doing some sort of work and that is pretty much what I decided to do. They will probably fixing a fence or laying a trench with pipe?
I found that Miniart's German Soldiers At Wotk (RAD) set would be a great starting point along with an alager figure that I think may fit to.
Along with these I plan to have a British soldier (homeguard?) guarding them, who will be chatting to a young woman (his girfriend?) with her push bike. I don't know what anybody else thinks?
Pics...

The only figure from this set to be used is the young lady on the right.

Again just the guy on the right I might use sans equipment.

This set probably all of them will get used.
Paul