Anyone know what dimensions each should have?

All done with Midjourney, prompts in alt tags (hover over image)

Prompts were

• dieselpunk, a diesel engine spider attached to an enormous industrial building of another, in the style of meticulous military scenes, otherworldly design, muted earth tones, manticore, 8k, emphasis on detail
• Dieselpunk, an illustration of the main character of the game, dieselpunk soldier, intricate gas mask, in the style of light brown and dust, ivan albright, ps1 graphics, soldier art, intense action scenes, kevin hill, animated mosaics, pollution
• dieselpunk, an illustration of the diesel airship from the game, blimp, in the style of light brown and dust, ivan albright, ps1 graphics, soldier art, intense action scenes, kevin hill, animated mosaics, pollution

I really loved this prompt, here are some other ones it came up with ->

Edit: and here’s a gallery of 48 of them, because I’m crazy - https://imgur.com/a/0jBXlia

Thank you both, the full prompt command was

“Beautiful Ohio countryside Landscape oil painting masterpiece, paper art, paper quilling, paper illustration, In the style of Beksinski and Leonid Afremov, Starry Night, Pattern --v 4 --q 2”

This was another image from the same prompt that I liked as well