1. Select the image you want to change the display layout of.
2. Select the Cog icon on the lower settings menu. Then choose the desired layout from the 'Layout' drop-down menu (located under the 'Image Settings' heading).
Stretched - Stretched the image to the container borders and does not keep the original image proportions.
Original - Keeps the original size and proportions of the image regardless of the containers borders (Crop the image if it is larger than then container)
Fit - Stretches or shrinks the image to the container borders and keeps the original image proportions.
Cover - The image will cover the entire container while saving the original proportions (May crop the image)
Fit When Bigger - The image will fit the container while smaller than it's original size and will not grow more than its's original size.
Tile - The image will be tiled so that it fills the containers borders.
Tile X - The image will only be be tiled horizontally.
Tile Y - The image will only be tiled vertically.