How to customise Gallery

In the Airtech theme, by default Gallery is being used to display the Services.
So to edit the Images of the Gallery, please go to the Service menu in wp-admin and edit the Featured image of the given Service item. These are the images used in Gallery.

If you prefer stand-alone Gallery feature, it’s recommended to use a plugin to better manage your Images and Gallery, we suggest trying this plugin however, there are many awesome plugins available for Gallery in WordPress. They can be found with a simple Google search.