Huge fan of kofta. Nice little set up. Glad you worked out a solutoin though it's not ideal as you say. Neccessity is the mother of invention!
We did find a gasifier twig stove works well as you don't need a lot of wood and the fuel burns clean - it's the gas from the wood that provides the heat and you don't get covered in smoke. I'm sure you can fashion one from a tin or a can? Haven't watched the entire video but this is what I mean