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