Gallery with image processing

Demo with images from pixabay.com

using shortcode:
{{< res-gallery match="**/pixabay.com/*" caption-position="bottom" caption-effect="fade" hover-effect="slideup" >}} 

See more here

Demo (gohugo.io) using thumbCmd and thumbOpt

using shortcode:

using shortcode: {{< res-gallery match="teaserpics/gohugo.io/*" thumbCmd="Fill" thumbOpt="200x200" >}} 

using shortcode:

{{< res-gallery match="teaserpics/gohugo.io/*" thumbCmd="Fit"  thumbOpt="200x200" >}} 

using shortcode:

{{< res-gallery match="teaserpics/gohugo.io/*" thumbCmd="Fill" thumbOpt="200x100" >}} 

using shortcode:

{{< res-gallery match="teaserpics/gohugo.io/*" thumbCmd="Fit"  thumbOpt="200x100" >}} 

using shortcode:

{{< res-gallery match="teaserpics/gohugo.io/*" thumbCmd="Fit"  thumbOpt="100x200" >}}