[WordPress Eden]

Service images comes from service post’s ( custom post ) featured image. So when adding a new service set a featured image. Image could be any size, but keep all service images same size for better view.

You can check this doc http://docs.wpeden.com/doc/getting-started-with-sensitive-pro/?item=sensitive-pro It may help you.

There should not be any issue with child theme. Although checking the issue.

Thanks.