This is from a couple years ago, but I haven't painted that many more since then so I can't do a huge Imperial Guard Army shot again.
Tank is a Matilda derivative designed by reddit user /u/FreshmeatDK https://www.thingiverse.com/thing:4086322 I added a conqueror cannon to it because bolters are awesome. https://www.thingiverse.com/thing:4735479 I designed the Gun Trucks based off a British logistics truck https://cults3d.com/en/3d-model/game/crew-crab-gun-truck but the work trucks are actually sold by Any Scale Models here https://www.anyscalemodels.com/component/content/article/12-products/1347-ford-cmp-f60s.html?Itemid=101 And the smaller tanks are toon Matilda IIs by Meng.
I run the bigger tanks as Leman Russes, the smaller ones as Armored Sentinels, and all of the trucks are used for fluff, terrain, or as Tauros Venators.
