Quick Note: This method will only work on a Post Based Grid
Step 1:
Create an “Image Type” Custom Meta Data
Step 2:
In your posts, upload an image into the “Custom Image” Meta Data
Step 3:
Edit the Grid Skin
Step 4:
Create a new Layer and select Text/HTML as Layer Source.
Step 5:
Replace the Layer Texts with the HTML code below in the “Text/HTML” source
Quick Note: Learn more about the HTML IMG Tag here
<img src="%eg-custom-image%">
You can find the Custom Meta Key %eg-custom-image%
using the link shown below.