Auto-Generate & Post AI Images to Facebook using Gemini & Pollinations AI

This workflow is designed for content creators or AI artists who want to automate posting unique AI-generated images to their Facebook Page multiple times a day. It uses Google Gemini via LangChain to generate imaginative image prompts, and Pollinations AI to generate the images. Posts are published with hashtags and a clean caption. Who Is It For AI artists Facebook page managers Digital marketers looking for automated creative content What It Does Triggers 3x daily at 7:00, 11:00, and 17:00 (local time) Generates random AI image prompts in a retro-futuristic, cinematic, or surreal style using Google Gemini Fetches images from Pollinations AI using custom prompts Posts images automatically

Help me set up the n8n workflow "Auto-Generate & Post AI Images to Facebook using Gemini & Pollinations AI" (https://n8n.io/workflows/5486). It uses: HTTP Request, Facebook Graph API, Code, Basic LLM Chain, Google Gemini Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.