What image sizes work best?

3 x 4

600 x 450 px

700 x 525 px

800 x 600 px

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16 x 9

600 x 338 px

 

700 x 394 px

1542 x 876 px

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3 x 4

600 x 338 px

700 x 394 px

700 x 394 px

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1 x 1

500 x 500 px

500 x 500 px

700 x 700 px

800 x 800 px

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