You can have 2 columns in your Excel:
- one with links to Thumbnails pictures that you will use on your Carousel
- one with better quality pictures that you will use when displayed in the Image Asset
You just have to change the binding and link the “big” picture to the Image Asset.
This type of behavior is used in our Intuiface Presentation in the Marketplace on the Video Showcase part.
As you can see, we have a column for thumbnails, and another to display a Youtube video.
Don’t hesitate to download it, it’s free, and don’t be shy to dig in to see how it’s built
I also recommend you to do our Self-Guided Training with Step-by-Step Tutorial in order to learn the basics. We also have this Introduction Webinar that may interest you.