Kingley Shackbolt ruled as Minister of Magic for 10 years, restoring order and being incredibly popular, although the Muggle PM never quite got over believing he was his personal bodyguard.
Arthur Weasley was made head of Muggle relations and eventually deputy Minister for Magic.
Lavendar Brown recovered from her mauling and used her injuries to set herself up as a cool soothsayer, with her partner, Pavarti Patil.
Harry did not put his future mother in law under a imperious curse when he married Ginny, despite enormous temptation
The Malfoys retired to their mansion and became virtual recluses, until the marriage of Draco to Pansy Parkinson. Pansy moved into the mansion, and was thereafter seen in the strict company of her mother in law.
Dolores Umbrage was found in her office scratched to death. No murderer was found, however all the plates around her wall were empty.
Harry sold his place at Grimauld place to Luna's father, who turned it into a new printing headquarters for the Quibbler, and used Mrs Black's ravings as a satirical page, to great success.
Neville Longbottom married Dianne van Dulken and kept her garden nice, and proved that hands that can grapple with mandrakes and strangling mungbeans must be very strong AND supple. (hey, one can wish!!)
Percy Weasley returned to the ministry as secretary to the underminister for regulations on magical material usage where he served loyaly for 53 years, before dying, a batchelor
Ted Lupin showed no wolvish tendancies, but was inclined to spend that time of the month with the Weasley's, talking to the ghoul, now resumed it's normal shape.
Hermoine's parents were astonished at finding themselves in Australia when uncharmed, and a little distressed, but found the country so to their liking they stayed.
Ron was especially glad of this, as his inlaws kept on asking how often he cleaned his teeth, and he still hadn't worked out which end of a toothbrush you put in your mouth, and flossing just sounded painful to him.
George went on to make Weasley's Wizarding Wheezes the biggest chain in the world, which undoubtably you know, having bought something, expanding into the muggle world also. He, however, was never quite the same after the death of his brother, and many of the joke inventions that had previously been characteristic of the store were now not in existance. This lead people to say "Ah yes, well, you know, Fred was always the FUNNY one", which he recieved in silence, and a hug from Angelica.
Viktor Krum eventually noticed Fleur's 18 year old sister, when arriving for the blessing day of his goddaughter. Within months, his flying became renouned for the exuberance and joy that had been previously lacking, resulting in an amazing 160-0 World Cup win for whatever country it is. They are currently expecting their first child
The Creavey younger brother took over the Daily Prophet.
Rita Skeeter moved to America and started her own television show on Fox
Hermione and Ron set up the now famous wand/magical alliance between all creatures, with the understanding and magical discussion between all creatures their main aim, resulting in them winning the Durmstrang Peace Prize in 2023
Dudley moves to America to star in WWF
Dean married Luna and together they explored the world in search of various creatured, culminating with the actual communication with a shreaking scumbert.
Seamus gets arrested for importing illegal potions and only his friendship with important people stopped him getting an extensive prison sentance. He now grows mushrooms and helps leprechauns for a living.
Penelope Clearwater marries Oliver Wood, after she finishes her training at St Murgo's (which given his continuing success and dedication as a quiddich player, turned out to be a very good thing, especially given the humilating loss at the latest World Cup where he, as England keeper, then tried to fly into the bludgers in despair.)
And Harry, besides regularly declining lecture tour, he sets up a school for pre-hogwarts age children, both magical and muggle, to learn how to control their behaviour, and to live in both the muggle and wizarding worlds.
