Would you put something like this up in your lounge, or is it going to go out of fashion too quickly to be worth the effort? www.grahambrown.com/uk/product/glasshouse-navy-wallpaper/119884-master/
Not necessarily this colour/pattern but this style of wallpaper, with busy bold patterns of animals/plants/birds.
I'm just thinking of putting it on the chimney breast as a feature, but maybe even that is too much? My taste is normally very neutral - in fact I don't think I've ever used wallpaper before, only paint in sensible neutrals or pastels - but I've got a sudden urge to add a bit more character.