This article explains how to create chalkboard designs in Photoshop using the right fonts and graphic resources. You can also convert images into chalk drawings. Instructions cover Adobe Photoshop 2019 for Windows and Mac.
Chalk Effect Photoshop Tutorial
After you have installed the fonts and downloaded the necessary assets:
Open the image you want to use as the background for your chalkboard in Photoshop.
Select the Frame tool and draw a box that covers the entire background.