The ComfyUI diffusion model platform has a rich custom node ecosystem, allowing developers to expand its capabilities through various nodes for image processing, animation, and usability. To help new users get started, the top 5 most used custom node packs across thousands of deployed workflows have been identified. These include the WAS Node Suite with hundreds of nodes, ComfyUI Impact Pack focused on image enhancement, ComfyUI IPAdapter Plus for style transfer, ComfyUI Essentials containing quality-of-life improvement nodes, and KJNodes for ComfyUI providing simple image transformation nodes. Each pack's description and use case have been provided along with sample code to run interactive ComfyUI sessions using a modal app or JSON workflow. The importance of ComfyUI Manager for discovering and installing custom nodes is also highlighted, as well as recent improvements in the ecosystem such as the Comfy Registry and serverless compute platforms like Modal.