I love all sorts of carnivorous plants, and it seems like Africa is home to several native species, including pitcher plants and sundews, as well as a few lesser known plants like bladderwort. I think these could make really fun decor items, or even a background, like a misty carnivorous swamp or large patches of moss or shrubs with carnivorous plants growing alongside them. Maybe these could include insects flying around or crawling close to the plants, or some that have already gotten trapped, something like a bug silhouette caught inside a sunlit pitcher, or a bug tangled up in the sticky tendrils of a sundew.

Below are some examples from Africa that I find particularly beautiful, I found them at this link if you'd like to see other species.