krono

To achieve that “bent paper shadow” look, follow this short tutorial.

Make a new image with white background, size 600×600px

Make two transparent layers

Make a 400×400px square at position x=100 y=100 (ie. centered)

Save selection to path

At “New Layer” fill that selection with black, on “New Layer#1″ with white

Deselect

Select “New Layer”

Motion Blur, Zoom, Blur Center x=300 y=300, Length 10

Lens distortion, Edge -30, Zoom -5

Gaussian blur 5px to 7px

Selection from path

Rounded rectangle Radius 100%

Grow 20px

Feather 40px

Delete

Selection from path

Delete

Opacity 50%

Voila!