So here is another experimentation with Kim Klassen's tutorials.
I took this image, which was a craft project Gabe and I did one day. You drop food colouring into egg cartons filled with water and use an eye dropper to make a collage on the Ikea paper roll. I let it dry, then hung it in a sunny window to get this image:
Next, I opened up this image:
Kim Klassen's Extreme Grunge tutorial, substituting the image above for her grunge texture. The result looks like this: