[Gwathagor]

Well...TTT is my favorite film artistically, but is my least favorite as an adaptation. There are a number of silly things: Aragorn floating down a river, the Ents being old and backwards, Eowyn/Aragorn flirting, etc.
I think TTT definitely benefited the most from the extended scenes. While I didn't feel any better about Faramir behaving like an idiot, at least the extended version motivates his idiocy. That, and the Huorns at Helm's Deep appeased my righteous indignation somewhat.
Like I said, I do really like the artistic elements of TTT. The color scheme and the soundtrack and the cinematography all complement each other splendidly.