This is my part of a collab with
and a couple of others ^^
I was supposed to colour Milly so I did
xD
So I don't know if any of the other Firesides have been added already, but Milly on the right is finished now

Original sketch: [link]
The fireside girls from Phineas and Ferb belong to Dan Povenmire and Jeff 'Swampy' Marsh