If you want to add extra images to your eBay listing, you can in your item description.
This article explains how to easily do that with drag and drop, no coding required.
1. Upload your eBay images
First, upload the images you would like to use in your eBay listing to Img.vision.
2. Resize your image (optional)
Select your images and in the action toolbar across the top select resize:
Resize to 320x240 (small) or alternatively 640x480 (medium).
3. Drag and drop your image
Open your image so the preview shows up in the right sidebar. And drag & drop the image to your eBay item description.