Slick has a whole collection of modules to support it. You can combine them with other modules.
Slcik works with Blazy (reed Be Lazy). A module that loads the pictures on a smart and nice way.
You have many configurations. You can save these and reuse them.
Do the settings.
Many settings... take your time..
One can also insert breakpoints.
The Slick Extras module allows you to add examples. Do it and learn. Views are made to show the possibilities.