You can create galleries like the one you see below — using native WordPress gallery functionality. No custom shortcodes or buttons. Just the native galleries. Woohoo!
Your photos’ previews are formed into collages automatically. Look at how neatly these 4 images have stacked:
The galleries have a fullscreen mode (lightbox) with captions and zoom. On mobile, you can exit a lightbox by simply swiping up or down — that’s what we’ve all got used to with the Facebook’s mobile app.