Commenting on various content items (e.g., blog posts, documents, discussions, ideas, questions, etc.) is a strong part of community participation. Making your comments richer with media, images, and photos can help to enhance your thoughts and feedback.
Content items include documents, discussions, questions, blog posts, events, polls, and ideas.
To add a comment to blog posts, documents, or ideas, click the Add a comment button .
To add a reply to discussions, questions, and other user comments click the Add a reply button  or the Reply link .
Click the Image icon.
Select Image from your Computer
Choose an image from your computer .
To insert an image from your computer, click the Choose File button .
Note: You can also drag and drop images and videos from your computer directly into your comment page.
Click the Video icon.
Note: If you embed a video via HTML, the embed code will be stripped.
To insert a video from your computer, click the Upload a Video button .
Click the Browse button, locate the file on your computer, and upload the video.
Embed Video from the Web
In the URL field, enter the video URL  and then click the Import Video button .