Creating Unique Ecounters

It has been awhile since I have played much Star Wars minis as I have been playing mostly D&D minis lately but one of my favorite thing to do when playing either of these games is to create unique ecounters, such as replaying the battles of Hoth or Endor, or specific themed squads (ewoks, bounty hunters, storm troopers, ect).  One of my friends did a blog post on how the create these encounters and would love to hear how useful of tool people think this is.
It would also be great to hear what some the favorite unique encounters other players have made over the years are.