Keep the model context, then adjust subject, style, lighting, camera angle, and output ratio before remixing.
Replace vague nouns with concrete subjects, locations, colors, materials, and mood words.
Run one strong version first, then iterate only the parts you want to change.
Prompt
An old-fashioned postal shack floating on a space rock, with envelopes fluttering like wings and planets lined up as waiting customers - humorous, magical realism.