I've been wanting to do something for the Joint for quite a while, but there is never enough time to do all you want to do...better late than never.
32 colors including transparency.
Can I get 4th Floor, position 13 please?
Reference images: marvelsuperstars.files.wordpress.com/2010/01/spiderman4.jpg
Had to correct the colors, somehow they got messed up when I uploaded the first time