1. Navigate to the BB code you want to use. If the code is embedded in a message you posted on a message board, hit the 'Edit' button to access the source code.
2. Drag your mouse over any URL within the code, such as a link to an image or video you embedded within the bulletin board post. Right-click and select 'Copy.' Don't highlight or copy any of the BBcode tags.
3. Sign in to Facebook and right-click within the field at the top of the news feed. Select 'Paste' and wait for the webpage, image or video to display beneath the field. Delete the URL text, then type in a message that explains the content if you choose. Click the 'Share' button to share the information with your Facebook friends.