'Liquid Distortion' using a pattern generated with expression to create fluid-like distortion.
Allows you to adjust the contrast of the distortion pattern.
Allows you to adjust the scale of the distortion pattern.
Allows you to adjust the speed of the distortion pattern transformation.
Allows you to offset the pattern transformation.
Allows you to add blur to a distortion pattern.
Allows you to crop the image to a size of the input's format.
Allows you to adjust the overall effect.
The mask input uses an alpha value as an area where the effects will be used.
When the input is not in use the effects appear on the whole image.
Hope you will find it useful!
Here's the GitHub link ( just select the text and copy to Nuke )