Facebook Ad Poster for Service Promotion

I need a professional-looking poster for a Facebook ad promoting a service of mine.

Key Requirements:
- Design a visually appealing and professional poster that aligns with my service's brand image.
- Understand the key elements of a successful Facebook ad, incorporating them into the design.
- Ability to deliver the final design in a format suitable for Facebook ad specifications.

Ideal Skills:
- Graphic Design
- Facebook Advertising Knowledge
- Brand Alignment Understanding

Please provide examples of similar work you've done in the past.