graph TD
A[Receive 3 AI-generated illustrations and 3 humorous slogans] --> B[Use GPT-4 to generate JSON template for Bannerbear]
B --> C[Use Bannerbear image creator to compose 9 birthday card designs]
C --> D[Save composed designs as image files on internal server]
D --> E[Resize 9 composed designs to 1200x1800 pixels]
E --> F[Save resized images as high-quality JPEG files on internal server]