I've done another post over on my blog, to cover all (well, ok, not all, but some of) the other lovely stuff they have on display at the RGJ Museum.
link
There's loads to see there, including flags, uniforms, medals, large and small scale models of figures in uniform, weapons, correspondence, maps, and sundry other interesting militaria.
Here a few more pics of dioramas… you might have picked up that I'm quite fond of these rather old-fashioned things!
Vimiera, 1808
They're not all Napoleonic!
And it's not just dioramas: