This extension replaces a nice DropDown with default DropDown (select menu) in the product options. this new DropDown has the ability to display images.

Live Demo:
Product Page
Module Settings







Features

• Display image in DropDown
  
• Responsive and mobile-friendly
  
• Show a preview for each image
  
• Support for keyboard navigation

Install Instructions
- Login to your OpenCart Admin panel
- Go to Extensions > Installer and upload extension suited for your OpenCart version
- Go to Extensions > Extensions > modules > Images To Select Dropdown Options > Install and enable it.