:) Well I happen to do banners as you can tell by the competition haha so even after the competition if you still find yourself in need of one just ask :)
I don't know why it is pretty amazing and using the idea of someone who is colour blind inspiring him to write the songs and the way you mentioned the rainbow. It made it really good. When she said about being colour blind I did not expect it and my jaw dropped. Well dooooone!