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Those look good. The one on the right (a light tank or IFV?), the turret looks a bit small for the gun, but I can see them being of use elsewhere.
This is the source image for the light tank version, from the comic. I'm pretty sure by the time we have added the track guards etc. it will be a 95% match. Remember this is sci-fi, it's a one critter turret with auto loader and caseless ammo.