Bold Event Promotion T-Shirt Graphics

I need vibrant and eye-catching t-shirt graphics for an upcoming event. The designs should effectively promote the event and raise brand awareness.

Key requirements include:
- Main theme: Event promotion
- Style: Bold and colorful
- Elements: Both text and images

Ideal skills and experience:
- Graphic design expertise
- Experience in creating promotional materials
- Ability to work with both text and images
- Creativity and a strong portfolio of colorful designs