Generate Ad Image Variations Using GPT-4, Dumpling AI & Google Drive

🧾 What this workflow does This workflow takes a reference ad image and brand website, then uses GPT-4, LangChain, and Dumpling AI to generate 10 high-quality image variations for ad testing. These image variations are visually consistent but subtly different in background, mood, lighting, and tone — perfect for performance testing on platforms like Meta Ads or TikTok. 👤 Who is this for DTC marketers and brand designers testing ad creatives Creative teams automating visual experimentation Content agencies using AI for fast ad mockups Performance marketers running multivariate testing ⚙️ How to set up ✅ Requirements You’ll need the following tools set up in n8n: Google Drive (OAuth2 credenti

Help me set up the n8n workflow "Generate Ad Image Variations Using GPT-4, Dumpling AI & Google Drive" (https://n8n.io/workflows/5799). It uses: Google Sheets, HTTP Request, Google Drive, AI Agent, OpenAI Chat Model, Structured Output Parser, OpenAI. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.