Choose Insert, then More Gadgets.
In the Google Sites Editor, open the Insert menu. You should see a list of available components and gadgets you can add to your site, like Images, Links, and Tables. Click on the More Gadgets option. This will allow you to add customizable tools like POWr Banner Slider to your site.
Paste in URL
You will see the Gadget manager. Choose Add Gadget by URL. Copy and paste this URL into the box. Click Add to finish.
Change Height and Width
Now that you have embedded your new, fully customizable Banner Slider Widget onto your website, you'll probably want to change the shape and size of the Widget. Use the options in the pop-up to choose a height and width for your plugin. If you'd like, you can add a border, title or scrollbar to your Banner Slider Widget, but we don't advise it. You’ll have more editing controls directly through the plugin.
Set up POWr Banner Slider
Go to your live Google Sites website and select the settings gear in the top right corner of the Banner Slider Widget.
In the POWr Editor, click Import Existing Banner Slider, find Banner Slider- and click Copy.