you can use separate weights for images now in Midjourney! here's an example.
Image 1: ::1.5 :: --seed 99
Image 2: :: ::1.5 --seed 99
Image 3: blended image no1
Image 4: blended image no2
Image 1: ::1.5 :: --seed 99
Image 2: :: ::1.5 --seed 99
Image 3: blended image no1
Image 4: blended image no2
