One of my favourite techniques is collage stamping and some sets just work perfectly for this including Nature's Walk. According to the dictionary collage means " is a work of formal art, primarily in the visual arts, made from an assemblage of different forms, thus creating a new whole".
Here's some other demonstrator's interpretation of collage – love them!
I received this card in a swap at Leadership – it's by Susan Adams and I love how she used the set to create a really cool collage background.
I hope you'll try some collage stamping yourself – it's not for the crafter who loves clean and precise stamping but if you let yourself "go" you might just find a new technique that you love!