Picky, picky, picky.
I thought the trilogy was just fabulous. I didn't really like the Arwen scenes, but thats a minor quibble. Other than that; no nits to pick with me. Then again, I never read the books prior to viewing the trilogy.
Highlights for me;
Boromir's death was just perfect.
The battle at Helm's Deep.
The mines of Moria, and Boromir's 'they brought a cave troll". The whole combination of OMG, despair and resignation was great. Running from the balrog and seeing orange in the distance without even yet seeing it, I just new something epic was going to happen.
Minas Tirith, first time I laid eyes on that city just reminded me of why I love fantasy.
Rivendell. Rohan. Even the Shire. The Kings of Old on either side of the gorge they were paddling through. I could go on and on.
Everything was so lush and fantastical, and lovingly realized. It was a fantastic story and a visual feast.