def large(source): return generate_resize_url(source, width=1000)
def medium(source): return generate_resize_url(source, width=600)
def thumbnail(source): return generate_resize_url(source, width=100)
def small(source): return generate_resize_url(source, width=300)
def resize(source, width=1200, height=None, fit='max'): return generate_resize_url(source, width, height, fit)