There is still no email sent to the customer, but after PayPal payment a confirmation page with a download link appears. The downloaded file has no extension and can’t be opened, even adding .jpg or the like. You might try it yourself with the 0.01 € option. it shall have the size of 320×320 px.
http://www.salsa-trips.com/galleries/2012-0327-israeli-salsa-congress