So, there are several differant factions here. We've got the Ghouls, the Fools, and whatever mercenaries each faction can afford. There are several locations, Bart's Mine, Scranton Coal Mine, the Hole (a crater left from the short and sweet bombing...), Vault 51,the ghoul's center of command the Bridge, Town Hall, where the Fools live and work, and several other small locations you guys can come up with. As for characters, go crazy. Make two, make three, the more elaborate the plot, the better. But try to have some relation between your characters and others, try to melt all together. And please try to have it make sense. I'll give an example of a character sheet...
Name: Gerard
Faction: Ghouls
Age: 35
Weapons: Pistol, hunting rifle, knife
Outfit: Leather Armor and pre-war hat
Gerard was born into slavery, and so when the uprising came around, he jumped up to serve. After years of fighting the Fools, Gerard decided he wanted more of a say in what moves to make against the Fools, and started to question his leaders choices. As the war continued, he became more and more power hungry, and now it's just a matter of time until he pulls the trigger on the wrong man...
So, feel free to join in.