Sometimes we would like to show the answers only as an image, and there are some cases
Display Images For all Answers
Navigate to the 'Advanced' tab in the relevant question and click on 'Image Properties' - and choose 'Image Only'
Display Images for several Answers
Create the Answers with the text and the image.
For the answers that you do not want to show the Text for and just the image add to the Start Script of the question the following code:
This will set the Answer Text of Answer 1 to nothing which will result in showing just the image without the text.
That's It !