We are also having the same problem.
Duplicate images on listings (example: https://casaxero.webchain.nl/listings/)
No image on single product page (example: https://casaxero.webchain.nl/product/house3/)
Theme: Avada 3.8.4
Woocommerce 2.3.8
Wordpress 4.2.1
If you need any further info let me know
Best regards,
Benjamin
