You can easily embed posts from Facebook onto your website.
Select the image post on Facebook
Click on the arrow icon located at the top right of the post (1) and then select Embed (2) on the drop down menu.
Copy the code
Copy the iframe provided by Facebook and then go to your editor.
On your editor
Drag and drop an Embed widget onto your page and click on it to open the widget settings.
Paste the code inside the Embed widget (1) and then save your changes (2).
This is how the facebook post will look like on your website.