Try size: 768 x 768 (SD 1.5 ) / 1024 x 1024 (Pony and ILXL)

Weights: 1

Clip skip: 2

Training material from bing and danbooru

Pictures from CalicoMix 8.5 and CalicomixPonyXL_v10 and CalicomixEroill_v50

Note: ILXL has two built-ins, "paper_airplane" and "holding_paper_airplane". If you are not satisfied, you can enhance the effect through this lora. The "white trail" can add dynamic, but it can also make the sky more confusing. (ILXL)