Using the Post Grid Combo plugin, you can set a custom wrapper tag for “Image.” This article will help you to set a custom wrapper tag for the featured image.
To begin, insert the “Image” block.
Now select an image source and select an image.
Click on the “Wrapper” tab.
Here, you can change the wrapper tag to H1, H2, H3, H4, H5, H6, SPAN, DIV and P tags.