Size: 378px x 150px
Resolution: 72 dpi minimum
Format: .PNG
Colour: RGB
Size: 378px x 150px
Resolution: 72 dpi minimum
Format: .PNG
Colour: RGB
Size: 62px x 74px
Resolution: 72 dpi minimum
Format: .PNG (no transparency)
Colour: RGB
Size: 1080px x 810px
Resolution: 72 dpi minimum
Format: .JPG
Colour: RGB
Size: 1200px x 630px
Resolution: 72 dpi minimum
Format: .JPG
Colour: RGB
Size: 310px x 310px
Resolution: 72 dpi minimum
Format: .PNG
Colour: RGB
Size: 378px x 150px
Resolution: 72 dpi minimum
Format: .PNG
Colour: RGB
Size: 1024px x 1024px
Resolution: 72 dpi minimum
Format: .PNG (no transparency)
Colour: RGB
Size: 3000px x 3000px
Resolution: 72 dpi minimum
Format: .PNG (no transparency)
Colour: RGB
Size: 1000px x 2000px
Resolution: 72 dpi minimum
Format: .PNG
Colour: RGB
Size: 800px x 800px
Resolution: 72 dpi minimum
Format: .JPG
Colour: RGB
Size: 640px x 640px
Resolution: 72 dpi minimum
Format: .PNG (ONLY WHITE)
Colour: RGB
Minimum Size: 500px x 500px
Resolution: 72 dpi minimum
Format: .PNG or .JPG
Colour: RGB
Size: 1920px x 1080px
Resolution: 72 dpi minimum
Format: .JPG
Colour: RGB
Size: 1000px x 2000px
Resolution: 72 dpi minimum
Format: .PNG
Colour: RGB
Size: 800px x 800px
Resolution: 72 dpi minimum
Format: .JPG
Colour: RGB
These can all be found with dimensions and edited via your admin panel (Images --> Website Images).