Media Gallery widget is a tool to display photo in 2 formats (Carousel and Grid). 

1. Click on Layout button on the top right side of the page
2. Click on Create New Widget button and select Media Gallery widget
3. Enter widget description and widget title if you want to show title of the widget
   
4. Select Gallery format (Carousel or Grid) 
5. Upload image from [Choose File], then enter name and alternative text for the image
   
6. Click Add another item button near the bottom of the form if you want to add another image
   
7. Save the widget
8. Drag and drop the newly created widget from widget list into page layout
9. Save layout

Sample of Media Gallery Widget