for a in soup.find_all('a', href=True):
print("Found the URL:", a['href'])
from PIL import Image
image_list = [тут у вас список ссылок с картинками]
for i in image_list:
image = Image.open(i)
image.save(имя картинки.png)
image_number = 1
image_name = 'file number {}.png'.format(image_number)