Part photos combine to make up stitched overall image

I am looking for a freelancer who can help me create a POWERPOINT SLIDE DECK showing a concept where stitched overall image is created from multiple part photos. The primary purpose of this image is for product presentations to management showing how an overall picture can be made from smaller images. I have exact dimensions for the final image that I need to be met. Each location is 135cm wide, Each image will cover a height of around 100cm and the width of each image will cover around 40cm. The preferred file format for the final stitched image is PNG.

Skills and experience required:
- Experience in the concept image editing and stitching
- Knowledge of software such as Adobe Photoshop or Lightroom
- Attention to detail to ensure the final image is of high quality
- Ability to work efficiently and meet deadlines
- Strong animation within PowerPoint