Hate to break it to you all, but that dead tank actually appears to be a PzKpfw VII L÷we... no way a KV-1 takes that out. It's a super-heavy. With a classification like that, there's no way the older heavy tank would kill it. It could have been taken out by something else, but that KV-1 appears to be the only thing in the area. Maybe it was destroyed by an S-51 far in the distance or something.
This is still ridiculously awesome though. I love all your artwork; it's the best tank renders I can find. Nice work.