I had some ideas for how we could actually apply our expanded universe/plot revision:
I think a good way to depict the post-apocalyptic world would be to write it in the form of some country's expedition journal. Maybe North America, but I think the British returning to Britain might work.
I'd rather like to see a story about the Post-Fall chaos. Maybe set around 1879 in Britain, as they just figure out that the weather will continue to be cold.
In any case, a Redux overview thread would be nice, so I could set up a story based on the expanded setting.