Go to Appearance > Customize
Click on Vanderbilt – General Options
Select the slideshow option you want to use and click Publish.
To add an item to the slideshow, go to a Post and tag it as “featured”.
Upload the featured image. This will be the slide.
Edge to edge: 2600 x 500
Full width: 1100 x 400
Standard: 800 x 350
By default, the Post title will be the caption.
When you’re done, click Publish/Update.
The slide should now appear on the home page.