Prompt: Designing a billboard for GuFeng Fresh Fruits, we can use vibrant colors like orange and green to highlight the freshness of the fruits. Incorporate various fruit illustrations such as apples, oranges, grapes, etc., and display the store name \"GuFeng Fresh Fruits\" in a clear and concise font. Emphasize freshness, health, and diversity in the design to attract customers. Do you have any specific requirements or ideas you'd like to include?