Images from unsplash.com
Check out the video below to see how it works
Use JSON to manage a large number of images
Step 1: Enable "Use JSON instead".
Once enabled, the images int the specified JSON file will be retrieved on the module.
Step 2: Paste the JSON file on the module.
Make sure to use the same format.
Step 3: Publish your design
Buy here the Masonry with slideshow module in leadstreet's Marketplace