You can insert an image file directly into Discussion replies using the image icon.
Click the Discussions link on the Course Navigation.
Create a new discussion entry by clicking the Reply text field.
Click the Image icon.
Locate the image you want to embed. If you need help with one of the three image options, please reference the chapter on the Rich Content Editor.
When you have located the image, click the Update button.
Click the Post Reply button.
View your post.