A workflow uses the latest LTX2.3 Sulphur and Prompt Relay and First and last multi- frames to generate high-quality videos.

Other model details are within the workflow.

Try the workflow online for free: https://www.runninghub.ai/post/2051993332863254530
Please check the video tutorial before you use this workflow: 

https://rumble.com/v79ibo0-comfyui-ltx2.3-sulphur-video-generation-detailed-guige.html