We do not provide support for hacks, so use them at your own risk. If you're not comfortable with coding, we recommend against using this workaround.
To place a caption below the thumbnail image in the Gallery Grid (captions within Lightbox are already supported), follow this hack.
Step 1: Caption your image file
You can add a caption when uploading the image, or add it later in your Media Library.
Step 2: Add custom code
return jQuery('<p class="lightbox-grid-caption">').text(
Step 3: Style the caption with CSS
Style the caption with CSS by targeting the 'lightbox-grid-caption' class name. Now you're done!
Check out our Semplice Playground to find more hacks like this :)