Harry Potter and the order of the Phoenix

Watched the much awaited movie yesterday. This is the worst in the series!!! I agree it's a long book but they have cut most of the vital parts...

• The Protean Charm finds no mention.
• And why twist the story so much as to portray Cho Chang under Veritaserum to reveal Dumbledore's Army??
• Rita Skeeter has also been missed altogether.
• Evanna Lynch as Luna Lovegood is a good choice but they have missed Harry's interview in ' The Quibbler'-her dad's paper.
• The fun parts in the book are also omitted-like the one in which a swamp created by Fred and George's escape attempt considering it a monument to be preserved at Hogwarts; Umbridge being sent out of Hogwarts; Snape's worst memory, I remember, is one whole chapter in the book. The scene appers for a few seconds and there is no sign of Lily Potter there!
• By the way, who is Nigel, who appears in the D.A?
• Sirius dies in a flash! Such an important episode!!!
• Where is Firenze??