[SunniGadi]

Everyone in the fellowship was corrupted, because they were mortals and they had their mortal needs and wants. I can only think of one thing to put Legolas in that scene; to give Orlando more air time. He doesn't have a real big air time/speaking part in Fellowship, and so maybe they just tried to get him in a bit more, to show that he was "a part of the group" and not completely detached, because he wasn't. He was just a big observer in Fellowship and then acted upon his observations in Two Towers.

I was really sad they didn't put the falling of the Shire in the movies and the glory Merry and Pippin got for saving everyone. Or that Pippin and Merry grew when they were with Treebeard....or Tom Bombadil...