Generate and publish carousels for TikTok and Instagram with GPT-Image-1

Description This n8n automation template provides an end-to-end solution for generating a series of themed images for Instagram and TikTok carousels using OpenAI's GPT Image (via the image generation API) and automatically publishing them to both platforms. It uses a sequence of prompts to create a narrative or themed carousel, generating each image based on the previous one, and then posts them with an AI-generated caption. Who Is This For? Social Media Managers: Quickly create and schedule engaging image carousels for Instagram and TikTok. Content Creators: Automate the visual content creation process for thematic posts or storytelling carousels. Digital Marketers: Efficiently produce visu

Help me set up the n8n workflow "Generate and publish carousels for TikTok and Instagram with GPT-Image-1" (https://n8n.io/workflows/4028). It uses: HTTP Request, Code, OpenAI. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.