What’s interesting is that you can achieve a different result every time either by using an alternative base image or just by using the range of liquify brushes randomly.

The effect can be achieved in just a few clicks.  I'll show you how to apply the background onto three different mockups.

Home Page - https://www.skillshare.com/classes/Liquify-Filter-serie-02-Transform-a-picture-into-an-abstract-background-in-Photoshop/964159408