Hi Romain and Bob,
Thanks for looking in and the encouragement, glad you feel it's going in the right direction, thoughts appreciated.
Bob, yes the cart looks like is is meant to be horse drawn, my thoughts were to make it a liberated one, in a faded blue colour. Not 100% sure if I'll use it yet as I could perhaps use that area to greater advantage.
Here are some pictures from IWM archive (reference only) that are helping to shape the build.
For the open area to the left of the tractor perhaps something like this, just s tent make out of blankets providing some food.
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or a more permanent shelter for the artillery crew
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or temporary option
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The stove area idea came form this one:
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The wounded wagon is a real plus for diorama builders, they feature in so many pictures of the wounded troops.
This one also helped drive the idea:
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Many thanks
Al