Vibrant YouTube Thumbnail Designer Needed

As a YouTuber, I post a new video regularly and need a talented graphic designer to create vibrant and colorful thumbnails for each video. The ideal candidate should have a good understanding of YouTube's thumbnail requirements and be able to create eye-catching designs that will increase click-through rates.

Requirements:
- Vibrant and colorful design style
- Proven experience in creating YouTube thumbnails
- Ability to create engaging designs that include text overlays, my photo, and custom graphics
- Timely delivery for each new video

Please include examples of your previous work or a portfolio in your bid.