Nice but like the other guy suggested put some ink washes on the flamer. Oh and it will also look better if you paint black hole on the front rather than just the silver!
I guess this comment will serve for all 5. The zombies are all properly hideous and convincingly sick. the all white eyes are a good touch. Unfortunately, unless the weapons are freshly captured, they wont be as slick-shiny at the touch of Nurgle's corruption. Maybe a coating of green or chestnut ink on the chrome, with table salt sprinkled on, then brushed off when dry?