Premium Blank Billboard Mockup Set Landscape ST01 Mockup of a Blank Tall Highway Billboard in Portrait format during day time, with bright lights and blue sky. Isolated with transparent background. Software Required: + Adobe Photoshop CS4 or higher. + No Photoshop? No problem: This file is also editable with the FREE online editing software website Photopea. The designs in the preview images are for illustration purposes, and not included.