I just realised the OP is from Denmark, which I expect changes the rules significantly. For one thing, there's that weird nexus between folk music and metal in a lot of Northern Europe---has that reached Denmark, and is that actually perhaps part of their reason for wanting "normal clothes in the woods" colour photos? There's also a long tradition of rock-n-roll mysticism, going back at least to Led Zeppelin, that seems to be more persistent in Europe than the US---you know, you talk about a Danish metal band in the woods, and I imagine Vikings around the campfire...

I still think you probably have to work within whatever the expectations for promo material are with European death-metal bands, but those expectations probably aren't the same as the ones in the US that I was thinking of when I posted.

-NT