Automate LinkedIn post creation with image using Google Gemini & DALL-E

This n8n template from Intuz delivers a complete AI-powered solution for automated LinkedIn posts, including unique content, custom images, and optimized hashtags. Use cases are many: Generate and schedule tailored LinkedIn content for different use-cases. By feeding the AI specific prompts, you can create specific post depending upon the topics and visuals to maintain a consistency yet and an online presence. How it works Maintaining a consistent and engaging presence on LinkedIn can be time-consuming, requiring constant ideation, content creation, and manual posting. This workflow takes that burden off your shoulders, delivering a fully automated solution for generating and publishing high

Help me set up the n8n workflow "Automate LinkedIn post creation with image using Google Gemini & DALL-E" (https://n8n.io/workflows/5840). It uses: LinkedIn, AI Agent, Basic LLM Chain, Structured Output Parser, OpenAI, 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.