This article was written for Magento 1.x and is kept for reference. Running Magento 1 in 2026 is a security risk — ask me about migrating to Magento 2 / Adobe Commerce.
Swap the main product image on hover by editing media.phtml.
The full article is being restored as part of the site rebuild. Need this fix right now? Contact me and I'll send you the complete steps — or solve it on your store directly.