High-Converting Product Launch Banners Design

I need eye-catching banners to promote a new product launch for my website, https://sweetyoncall.com. The banners should feature abstract graphics and include a custom call-to-action.

Requirements:
- Design banners using abstract graphics
- Incorporate a unique, compelling CTA
- Focus on driving maximum conversions

Ideal Skills:
- Proficiency in graphic design tools
- Experience in creating high-converting marketing banners
- Strong understanding of color theory and composition
- Ability to work collaboratively and incorporate feedback

Please share a portfolio showcasing similar work.