Here's the first one I came up with ... starting with a basic 'textured paper' image, I simply added an array of flower and leaf images from Photoshop's impressive range of 'brushes':
Then I made a plainer one to complement the first, using another little shape from the Photoshop brush 'library'.
Put them together, and here's what you get:
The design at the top of this post utilises another combination of the same two 'papers', manipulated digitally in Apple's Pages software to create different backgrounds for quilling.
I think these papers bring a much softer touch to my card designs. There's plenty of potential here!