I just bought a set of 10 rear troop seats, fuel tank backrests, and driver, passenger and center seat pads/backrests from Jim Clark at Allied Forces Canvas...along with a top for my M10 ammunition trailer. If you'd posted up one day earlier I could have taken pictures for you, but unfortunately today was the last day of our pack out and I won't see my household goods for two months.
Here's a pic of the M10 top as a teaser...that tall white box in the background has the seat pads: