Magento - add media gallery attribute to product flat table

Question

How do I add a \'media_gallery\" attribute type to products flat table, so that it can be used in product listing?

Answer 1

They can be added by defining "Used in Product Listing" to Yes Once you have done this, you will need to re-index the Product Flat

EDIT: See solution for the final answer.

Source: Can I add other attributes to magento's flat product catalog table?

Solution: Media Images not available in Magento’s product list? Media Images not available in Magento’s product list? - archive