Set Featured Widget Appearance

1- Go to Appearance – Theme Options
2- Select General settings tab
3- Find Featured widget location & select top or bottom location
4- Click Save settings

Add Featured Widget

1- Go to Appearance – Widgets
2- Find Ace Featured widget and add it to Featured widget section.
Title: insert Title or Name, which will show on the image.
Picture: insert full image url. Refer here on getting the media URL.
Image/Title URL (Optional): insert the link to wherever you want it to go to when you click on the image or title.
3- Click Save button