JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
You need to provide the URL of the images you want to use.
So, you would need to upload the images you want to show to a hosting service such as Google Drive or Dropbox and then paste their URL in the widgets.