An image that is 512 by 512. Logos may have different aspect ratios but an image around this size will be large enough to work with. Format: PNG

Header Logo:

Maximum Height: 40px.  Format: PNG

Background Image:

Full resolution image.  At least 2592 by 1936.  Format: PNG or JPG

This image fills the background and a portion displays through the heading on the home page and marketplace pages.