01. Discuss how you got into Harry Potter
02. Your favorite book
03. What house would you be in?
04. Your favorite movie
05. Wizard Rock: discuss
06. Your favorite character(s)
07. Song that reminds you of HP
08. Your favorite ship(s)
09. Fanfiction: discuss
10. Favorite book moment(s)
11. Character you're crushing on
12. Favorite movie scene
13. Least favorite character(s)
14. Moments in the books/movies that made you cry
15. Whatever tickles your fancy
16. How have you participated in the fandom over the years?
17. Your favorite celebs from the movies or fandom
18. If you could change one thing about canon, what would it be?
19. A favorite fanart
20. A favorite quote
21. How has the HP fandom connected you to other fandoms, interests, or people?
22. Your favorite villain
23. Share some HP icons
24. Rant about Steve Kloves something
25. Song that reminds you of HP
26. What aspect of the books has been best translated to film?
27. What aspect of the books has been most poorly translated to film?
28. Hogwarts subject you would most like to take
29. Favorite location
30. Whatever tickles your fancy
18. If you could change one thing about canon, what would it be?
Hm. There are probably a few more if I really thought about it, but there were three that leapt to mind immediately. If I "ruled" the HP-verse:
1) Pettigrew would have had a better reason for his disloyalty than what we saw in canon.
2) George would have done the wise thing and run off with Luna instead of Angelina.
3) We would have gotten to see the Weasley cousin, Mafalda, in some way - I understand that she couldn't really fulfill the need that JKR had for that character, and that Rita Skeeter was a far better fit, but I would have loved to know more about what that character could have been.
There are other things I could list, I'm sure, but this is what came to my mind first and in general, I think that I would change very little. I feel that pretty much everything JKR did, even the things that were sad or infuriating, were done for a dramatic/thematic reason, and changing them would have changed too much about the infrastructure of the story - so I would leave them be. :D