Then correct its brightness and the contrast (ctrl+l).



We also have to find a photo of a box:



Place it above the wolf's layer and make the corrections on its size (ctrl+t) and on the distort level: Edit Transform ? Distort, the color (Selective Color).



The brightness and the contrast (ctrl+l):



We have next to create the box's shadow, but firstly copy this layer and the lowest copy should be made absolutely black, selecting next option: Image ? Adjustments ? Channel Mixer.