Create an iFrame
Open the App Market. Search for Wix's HTML iFrame element. Add a new HTML iFrame to your site.
Copy and Paste
Double click on the iFrame to open the HTML Settings. Make sure Mode is set to HTML code. Paste this exact code into the box. Click on Update and exit the HTML Settings window.
Save and Publish
Your Image Gallery will appear in the iFrame. Select the Image Gallery App to reposition your App. Select and drag a corner to adjust the size of your App. When you are finished making changes, just Save and Publish the website in the Wix website editor. Your Image Gallery App will be visible on the live website. Visit your live, published Wix page to start customizing your Image Gallery App.
Edit your Image Gallery on Wix:
Go to the live Wix website and select the settings gear in the top right corner of your Image Gallery App.