I thought about PMing you at first, but then remembered this is my journal, so what the hell. ;)

I got lots of ideas, from playing with that Nott and Regulus idea to Regulus finding out Remus is a werewolf and/or Sirius's boyfriend to, as you said, backstory and flashbacks. ^^

Depends what you want, really, can do anything from brotherly bonding over a prank at a dinner party to major angst and use of crucio or imperius on children...