What the best way to batch generate multiple images with different parameters?

I'm new to ComfyUI, have to say I love the approach! (node based + community ecosystem)

I'm looking for a solution to batch generate images in an automated way with different parameters, prompts or even models? As I understood its not possible to do with native nodes? Are there any tricks or workarounds? I found out that you can do it somehow with 'primitive node' but ist not very efficient.

Is it possible to do this with custom nodes? https://github.com/hnmr293/ComfyUI-nodes-hnmr seems to come closest to what I'm looking for but it seems to be broken at the moment? (nodes don't show up after install) Are there any alternatives? Ideal would be some thing like lists with the different parameters (something like below) but not for rendering grids but individual images. Am grateful for any hint in the direction of automation..