You Can Find These Mockups In These Bundles:

Urban Poster Mockup Vol2
Urban Poster Mockup Vol3

Product Specs:

Mockups: 2
Image Size: 3526 x 5280 px, 5709 x 3811 px
Smart Object Dimension: iso A/B/C
File Type: Layered PSD
Requirement: Adobe CS3+
File Size: 536 MB

How to Use Smart Objects:

1./ Open your chosen PSD mockup file, then look for a smart object layer called "Place your poster here“ and double click it. As a result the smart object will open up in a new window.

2./ Insert your graphics into the newly opened smart object window and make sure that the graphics fill out the image field.

Advice: only import graphics with overly vibrant RGB colors into the mockup, if you specifically wish to see the end product as vibrant as the original source. Otherwise it's advised to add your graphics after converting it to the CMYK.

3./ Make sure you save after adding in your graphics. Saving will update the mockup file with your newly added graphics.