I love double exposure photography. I recently stumbled upon some amazing examples of it http://www.flickr.com/photos/danmountford/ by Dan Mountford.
I found it really hard to find tutorials for this, so I just played around in photoshop and got a similar result!
Double exposure images are really fun and easy to make in photoshop (if like me you can’t create them with your camera). All you need to do is import two (or more) different photo’s into photoshop and blend. The hardest part is picking the right two images to blend together. It can take a lot of changing photographs, blending options and opacity, but eventually you will get some interesting results!
Here are mine: