The wonderful centjours.mont-saint-jean.com site gave me the 7th Hussars.
Apart from removing the plume, it was mainly repainting the busby, saddle trim and some other detailing. No flying pelisse, but in this scale they could be wearing them or not and it would look much the same.
16BrLC in line.
12BrLC in column.
16BrLC in column.
One other change I made was to swap out some standing horses for Old Glory walkers, trotters and gallopers that I had spare. Two had missing tails, but I rebuilt them using wire and plaster.