Midjourney v.6.0 "--iw" parameter
1. "No value", default = 1.0 (top left), 2. value = 0 (top right),
3. value = 1.0 (bottom left), 4. value = 2.0 (bottom right)
iw = 0 (left), 1.0 (default, center), 2.0 (right):
