There's some possibly useful models from ANvil Industries you could look at, try this page:
https://anvilindustry.co.uk/index.php?route=product/category&path=98
There are also a ton of Rackham figs that would work. They're right size and have great detail too. If you can can find them of course, as Rackham has stopped production of their metal figs. EBay
could help, and some online retails have stocks, and the resin stuff is easier to find. Examples from the Legends of Signum range:


You get the idea.