Vintage AI Art Posters

I need two AI-generated images transformed into large wall vintage or retro-style posters.

Requirements:
- The images should be improved for poster quality.
- The design should be clean and minimal with a vintage or retro aesthetic.
- No additional elements like text or frames are needed.

Ideal Skills:
- Proficiency in graphic design, particularly for vintage or retro styles.
- Experience with AI-generated images.
- Attention to detail and ability to enhance image quality for large prints.

Please provide samples of similar work.