upload pictures

If you want users to upload images through your form, you can use the File Upload field that is found under "Form Tools" tab:

Also check these guides: 

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

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

Let us know if you need more help, we will be glad to assist you.