How to display images on the form

I am building a t-shirt order form and I want to add a color chart of shirt colors that are available. I tried to upload it three different files (pdf, jpg, png) in case it takes a certain file. My file doesn't have an url so the widget didn't help me. 

If you would like to display the images for your users to see on the form, you will need to use one of our fields for displaying the images, such as the Image field:

You can use this method to display the available color options. Alternatively, you can use one of our widgets such as the Image Picker widget, where you would display multiple images in one field, and the user would select (pick) one of them:

https://www.jotform.com/help/252-How-to-Add-a-Widget-to-your-Form

Please let us know should you need further assistance.