To see these textures in-game, go to the "Functional Tabs" section of the Creative Inventory (1.19.4) or run this command:

"/give @s minecraft:painting{EntityTag: {variant:"minecraft:[painting_variant]"}}"

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Replace [painting_variant] with one of these possible painting variants:

alban
aztec
aztec2
bomb
burning_skull
bust
courbet
creebet
donkey_kong
earth
fighters
fire
graham
kebab
match
pigscene
plant
pointer
pool
sea
skeleton
skull_and_roses
stage
sunset
void
wanderer
wasteland
water
wind
wither