If like myself you've noticed that you are able to embed public Facebook posts in the forum, the first problem you might encounter is how to find the URL (web address) for an individual Facebook post. If you look at the Facebook post you would like to embed. Providing it is public, simply click on the time/date link just below the name of the page/person, and it will open in a separate browser tab. Just copy the address in the browser bar and copy it into the post here. Voila! 
https://www.facebook.com/freetractsource...5121814723

https://www.facebook.com/freetractsource...5121814723