What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
I am not really sure what you meant by "instead of slider". Can you please clarify what exactly it is you wanted to do?
If you want to add image on the header part of your JotForm, you can use the Image field to add image on the form.
Hope this help. Please tell us if you need further assistance.