For automated workflows, Python scripts using libraries like requests and shutil can be used to download images directly from a URL to your local machine.
If the generator produces WebP format, you can use browser extensions to convert it to JPG, or right-click and use "Save image as" and select JPEG.
What or scene should be in the BbvuR JPG (e.g., food, grill, restaurant logo)? What styleg., photographic, cartoon, vector)? What is the purpose (e.g., website background, poster)?