When you share a post on Facebook, or when Jetpack Publicize publishes a post to your Facebook page, Facebook crawls the page and looks for Open Graph meta tags in the head to build a complete post preview (with an image, title, description, ...).
Jetpack automatically adds these meta tags to your site, unless you already use another plugin that does just that.
SInce you've installed both the Facebook plugin and the WP Open Graph plugin, Jetpack doesn't manage the Open Graph meta tags on your site anymore. If you have issues with the way posts are displayed on Facebook, you'll have to contact these plugin authors directly.
You can also try to investigate further by yourself, by entering one of your posts' URLs in Facebook Debugger:
I hope this helps.