You can use our easy-tags to add the Open Graph values to the page. If you've added a key in the JFBConnect backend > Social > Admin area, this will need to be included in that tag with a parameter like key=12345; if not ignore that param in the following example.
Insert them into your content in the following format:
{SCOpenGraph og:image=FULL/PATH/TO/IMAGE.jpg}
{SCOpenGraph og:description=Your description here}
Now the trick is figuring out where to put the easy-tag.
1. You can manually put it in each blog entry when you create it in the editor.
2. You can find the right view that's displayed on the front-end and do a template override. This would require more work and PHP knowledge to dynamically create the tag values.
-Melissa
I'm not familiar with Blog Factory. But in general, for components look in the view directory and see if there's a file that you can do a template override for.