Quick Note: This method will only work on a Post Based Grid
Create an “Image Type” Custom Meta Data
In your posts, upload an image into the “Custom Image” Meta Data
Edit the Grid Skin
Create a new Layer and select Text/HTML as Layer Source.
Replace the Layer Texts with the HTML code below in the “Text/HTML” source
Quick Note: Learn more about the HTML IMG Tag here
You can find the Custom Meta Key
%eg-custom-image% using the link shown below.