Deliverator
Graphical Hackificator
I think the Eras can just be static images. There is no real gameplay impact to Eras - it is basically cosmetic. I haven't really thought what would make appropriate images for the Eras. There is a vague theme to the Eras. They are roughly stages in the life of an individual Fremen. For example, Mihna is the season for testing Fremen youths who wish admittance to manhood. You can look up the meanings of the other Fremen words here.