The Badger was a flamethrower equipped tank used in NW Europe by the Canadian Army. The first Badgers were Ram Kangaroos with the Wasp II flamethrowing equipment (as used on the Universal Carrier) installed in place of the bow MG. Later models were turreted Rams with the equipment in place of the main gun.
I don't have a lot of experience with weathering vehicles so I went with a basic black (Vallejo German Grey) followed by brown (Vallejo Beastly Brown) washes. I made sure that some texture paint was smeared over the tacks and boogy wheels to represent the muddy conditions the army fought through in the fall-winter of 1944-45. 
According to Wikipedia, the Ram was a cruiser tank designed and built by Canada in the Second World War, based on the U.S. M3 Medium tank chassis. Due to standardization on the American Sherman tank for frontline units, it was used exclusively for training purposes and was never used in combat as a gun tank. The chassis was used for several other combat roles however, such as a flamethrower tank, observation post, and armoured personnel carrier.
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Excellent work, Rob! You've provided a great bit of Canadian armoured history here (I didn't know that they produced a flamethrowing variant). I think you've done a terrific job on the weathering, especially the cloying mud in the tracks and mechanicals. Well done.
- Curt