1. May I know what image load method you use? Could you provide the site URL so we could investigate it further?
2. Do you refer to Module in the Page Loop (latest post feeds)? If so, you need to change it in Backend Editor, scroll down to the “JNews – Page Loop” metabox option.
3. Could you elaborate this issue? Do you unable to update the widget option?
4. Could you be more specific? Is that you unable to access the theme customizer or something else?