Размеры изображения WordPress
large – 1024 x 1024
medium_large – 768 x 768
medium – 300 x 300
thumbnail – 150 x 150
Andrew Lautenbach
large – 1024 x 1024
medium_large – 768 x 768
medium – 300 x 300
thumbnail – 150 x 150'thumb'
'thumbnail'
'medium'
'medium_large'
'large'
'full'
'post-thumbnail'