Add(+) lets you add a column to Items Search. When you add Image, rows are resized.
BigBusiness lets you add columns to searches to see more data on each row. Add(+) now lets you select Image to show the Thumb Image for Items and it will resize rows.
When you remove Image, or choose the Preset for Defaults display will return to one-line rows and performance for searching and scrolling will return to original speed.