Donate to the Lead Adventure Forum to keep it alive!
and probably enough orks to get halfway there for a 24AP army.
After looking in vain for utter bargains on the Imperial Guard front on eBay, I decided to go with Perry Napoleonics for the Imperial Guard/planetary militia troops to back up the space marines. They'll be hordes in HotT, so whether their weapons are actually lasguns or really just muskets/carbines is rather moot!
So, basically you're not "changing scale", you're just putting fewer bigger figures on regular size HotT bases, I have got this right?
Remember that Orks have also Gretchins among their ranks. Tey're £12 for 10 RRP, plus an Ork to boot. https://www.games-workshop.com/en-GB/Ork-Gretchin-2018Also, you can probably get away with mixing them with fantasy goblins.
Take a look at Troopers by EM4. They're 5 for £2.55https://em4miniatures.com/collections/science-fiction-near-future-miniatures/products/troopers
I want some cavalry (I'll paint the horses in weird alien patterns: blue zebras or whatever).