Most of the sites I have seen issue that product image is not showing while share on Facebook.
I will recommend this extension for all stores that are developed in opencart.
Its an ocmod extension, Vqmod also available..
no file will replace while installation
support and installation is free, dyisolco@gmail.com
demo:http://www.dyisol.com/demo2200/index.php?route=product/product&product_id=43
Product Image Show on Facebook Share
- Product Code: ISO
- Availability: In Stock
-
$20
- Ex Tax: $20
- Price in reward points: 100