Urgent Charity Banner Design

I need a compelling banner for a global GoFundMe charity campaign. The banner should convey urgency and need, appealing to a worldwide audience.

Key requirements:
- Eye-catching visuals
- Clear, impactful messaging
- Appropriate dimensions for GoFundMe

Ideal skills and experience:
- Graphic design expertise
- Experience with charity campaign materials
- Ability to create designs that evoke strong emotional responses

Please share a portfolio with relevant work.