This is an Illustrious style lora for Post Apocalyptic style backgrounds.
A weight of 1 to 1.25 works well with this with most models with what looks best varying widely amongst the various models. Sampling Steps of 15 to 35 works well with most models, as does a CFG Scale of 5 to 7.
Prompts for this lora are ( PostApocalypticLandscape, landscape, background, ).