Thumbnail Designer for Improved CTR

My current video thumbnails aren't delivering satisfactory Click Through Rates (CTR). I'm searching for a skilled, reliable thumbnail designer with a proven track record in the field.

Please review the following links to my current thumbnails:
- https://youtu.be/mhf7WzLKzKg?si=VbUB4klFvgQ8IxUb
- https://youtu.be/EAcqX0e7Ov0?si=i0LpAjaUtbr4J47z
- https://youtu.be/FIJA8KNeLyg?si=rW0v6g5X8CXDb1Uc

Your task will be to create more engaging thumbnails that stand out and attract viewers.

Ideal skills and experience for the job include:
- Graphic Design
- Branding
- Experience with YouTube thumbnail design
- Knowledge of color theory and visual communication

Your expertise will make a significant difference in improving my channel's performance.