They are all extremely easy to set up. Name your gallery, choose a heading image, write something about it and then choose the type
and then upload the images
Masonry Galleries arrange the images as though on a wall with bricks of different sizes
Scattered galleries are as though the images have been thrown onto a coffee table
Parallax Galleries "slide" text over images and are really good for adding a greater amount of detail
Scattered and Masonry galleries lightbox the images.
Normally galleries will automatically appear on a drop down: