I haven't checked the actual web-site as I don't use Photoshop, but I love the effect and can see me using this myself. Where I pinned it from said "How to Create a "Double Exposure" in Photoshop — Daily Epiphanie"
Photoshop Tips & Tricks: Adjusting Your Blog Photos to Perfection
Photoshop tutorials, tips and news The site is fully on auto-pilot and updates all by itself at the time interval you specify. All the best tutorials, tips and lessons! Photoshop is a hugely popular software receiving over 50 million searches/month!