I thought I was a genius when I produced a reasonable still image (provided one doesn't count the prolegs; That sense of achievement collapsed when I tried to animate it
You're welcome to any bits and bobs from either of my prompts if they lead to any fresh ideas for your efforts.
An inchworm (Geometridae) on a black stone with blue star creeper flowers surrounding the stone. Inchworms are known for its distinctive "looping" movement where it arches its body as if measuring, due to having legs only at the front and rear