Click "Add Question or Text" at the desired location for the image.
Click "Rich Text Editor" from the next menu.
Scroll to the bottom of the page and follow directions starting with, "Click to view My Image Collection". Copy the URL of the desired image for use in the next step.
At the desired location, within your text, click on the "Insert Image Icon"
Paste the URL from Step 4 into the "URL" box on the popup window and then click "OK"
To use an image for an answer, paste in the URL for the desired image (from My Image Collection) as an answer for a question. The URL for your image will need to be inserted using the following HTML: