You will need to insert the image properly in the DIY Form editor for it to appear on the Live Page:
  1. Click Management
  2. Click DIY Forms
  3. Click Edit next to the DIY page you would like to edit
  4. Click the Add Item button at the top of the editor
  5. Click Add Image
  6. Remove any default image that may appear
  7. Click the Insert/Edit Image icon (looks like a picture of a tree)
  8. Click the magnifying glass next to the 'Image URL' field
  9. Click the Browse button
  10. Select the image file from your computer
  11. Click the Upload button
  12. Click on your image now that it is uploaded
  13. Click Insert to close the Pick An Image window