Waving Flag Animation for LED Cube

I need a professional animator to bring an existing image to life. The image is an Indesign file that I will provide. The animation should make it look like a waving flag, with smooth and gentle waves. This animation is intended for the background of a LED cube, so it needs to be formatted to fit the specific dimensions of 4992x1040 pixels @50p.

Ideal skills and experience for this job:
- Proficiency in animation software
- Experience with LED cube backgrounds
- Ability to work with Indesign files
- Strong understanding of creating smooth, gentle animations
- Attention to detail for specific dimensions