From Admin panel, go to MGS -> MGS Theme Settings -> Catalog
set Enable Hover Change Image to Yes
![](https://guid.arrowtheme.com/magento/gemmart/images/enable_hover_change.png)
From Admin panel, go to PRODUCTS → Catalog → [Edit Product]
On Edit Product page, go to Images And Videos section, Upload image for product.
After images uploaded, click image to set image role: base image, small image, swatch image, thumbnail image.
![](https://guid.arrowtheme.com/magento/gemmart/images/image_details_cf1.png)
For first image show, it is small image. For image product show when hover item, it is thumbnail image and base image.
![](https://guid.arrowtheme.com/magento/gemmart/images/image_details_cf2.png)
Save product.