This Mockups represent natural environment for outdoor advertisement.
Ideal for preview before productions.
Easy to change with your graphic:
Open *.psd file in Photoshop.
Doubleclick on Smart Object.
When open *.psb file (Smart Object replacement file) change text or picture, save and close.
After this in your main *.psd file all changes will display.
If you want video tutorial: http://youtu.be/on5KdfL7VYI