Display featured image from another post whren sharing in facebook

Hello and thanks for your plugin,
It is realy easy to use.

I have two strange issues:
1. When sharing post on facebook, it always shows on facebook a different image than the one from the shared post (it shows a featured image of another post)
2. Share count does not update..it stay on zero

Is there any way to solve these things?

Thanks
Michal

https://www.ads-software.com/plugins/really-simple-facebook-twitter-share-buttons/