Hello,
I can’t log in your site http://prntscr.com/pt8x9f
1) Please follow our documentation and update translation files https://xstore.helpscoutdocs.com/article/103-translation-files-update then you will be able to translate untranslated strings.
2) I hope this conversation will be helpful – https://www.8theme.com/topic/additional-variation-images/
Please create separate topics for different questions.
Regards