I've watched lots of videos showing artists creating journal pages with gesso, paint, stencils, stamps and wondered whether I could do a serendipity journal background in Photoshop Elements using photos so I had a go and I was rather pleased with the result. The good thing is that I can just change the colour scheme by adjusting the Hue and Saturation.
So here is my attempt:
And to show you how I did it, here is the speeded up video. To see full-size, hover over the video and click on Vimeo and when in Vimeo hover over the video and click the full screen icon.