I blame the Perrys' I saw their version of a camel drawn limber in their French in Egypt range and I had to have a couple in 20mm. Luckily I had a few spare Italeri Camels (thanks to David P) so I carved the saddlery off and added the harness using green stuff to get a passable likeness.
The handlers are a couple of Redbox Ottoman sailors and the limbers are HaT French Artillery limbers
Here's the cause of all my work