Sub Tub -- Possible things to include: A Welcome Binder (explaining the daily schedule, where things are in the room and anything the sub might need like computer log-in codes), emergency lesson ideas, great books, games and other activities to do!
Organize your copies for the week. When I first saw this, I thought it looked like the Harry Potter font.I think I want to write the days of the week in that font. Either that or paint the set to look like the TARDIS.
For organizing file folder work jobs! Dish drainer used for organizing files, etc. The cup in the corner could be used for pencils or dry erase markers (if your file folder games are laminated). Or take the cup off completely.