Do you have a way for people to upload photos on to a form?

Yes it is possible to upload photos to the form.

You can achieve that by adding file upload filed to your form. 

More about file upload field and allowed file types you can find inside of this guide: 

http://www.jotform.com/help/29-Upload-Field-Allowed-File-Types 

Inside of this guide you can find how to change the upload size limit of file upload field:

http://www.jotform.com/help/33-Changing-the-Upload-Size-Limit 

Hope this will help. Let us know if you need further assistance.