Before assembly, check the fit and remove the release agent with isopropyl alcohol or acetone. Cut off sprues with a saw/cutter. Wear a dust mask or respiratory mask when machining to avoid inhaling dust particles.
Carefully heat warped parts (e.g. with a hairdryer) and bend them into shape. Glue with 2K or superglue. Unpainted cast parts darken over time and can turn yellow - especially when exposed to UV light.
Leather jacket:... and leather epaulettes black; Brass buttons (alternatively - black horn buttons) Leather trousers: black (alternatively - dark blue cloth trousers) Leather gaiters: black (natural-colored wool socks peek out at the top) Shoes: black leather aviator cap: black or brown leather; Buckle unpainted metal Aviator wind goggles: rubber strap black; Clear lenses with aluminum frame scarf: grey/field grey; any color for civilian pieces, patterns also possible Rifle 98: dark brown wood; Metal parts burnished Dog (Collie): golden brown to cream; Snout, eyes and nose black