Animated Movie Poster Mosaic Background

I need a vibrant, animated, and "scrolling" background created or replicated. The background will be a mosaic of movie posters.

Requirements:
- Use posters from popular films of the last 3-4 years
- Bright and colorful theme
- Animation should be smooth and engaging

Ideal Skills & Experience:
- Graphic design proficiency
- Experience with animation
- Ability to create visually appealing mosaics
- Familiarity with recent popular films