1. Product Colorizer
If you're offering a product that comes in many different colors, this plugin is perfect for you. Not only does it give your users the chance to see your product in all of its available colors, but it also lets you totally customize the options so that the user can mix and match with color combos (for example, in the case of the screenshot above, the user can customize both the color of the shirt AND the color of the text using the functionality that this plugin provides).
2. Cloud Zoom
Reel is a panorama plugin that supports stitched panoramas and can be used to show your customers interactive 360 degree representations of your products. Check out the demo to see how you can use the cursor to spin your products all the way around so that they can be viewed from every angle.
5. jQuery Shop Locator
jQuery Shop Locator is a great way to allow your customers to find your shop locations on a map. It comes loaded with 9 design styles and allows you to include an unlimited number of maps on one single page. It costs $10, but that's well worth the investment for this type of advanced, specific map functionality.
If you want to add tooltip functionality to your ecommerce site, Tipsy is definitely the way to go. With plenty of options for customizations, this plugin gives you ample opportunities to include clean and smooth tooltips on your site.
A great way to display content on your site is by using a carousel plugin. This one in particular includes smooth transitions and beautifully styled (though totally customizable) pieces of content that rotate like a carousel of images on your site.
8. Simple Cart