Online Business Advertisement Poster Design

I am looking for a creative designer to help me create an engaging poster for my online business. The poster will primarily be used for business advertisement.

Key Requirements:
- Incorporating a provided photo into the design
- Including a telephone number for potential customers to reach us
- Potentially suggesting other key elements to include on the poster

Skills and Experience:
- Proven graphic design experience
- Proficiency in design software
- Understanding of effective advertisement strategies
- Creative and innovative mindset