This is a really famous animation film technique done by one insane studio years and years ago in Germany, only a few films, because of how hard they were to make. Each and every frame of these movies are oil paintings on glass
RotK deleted scene when Legolas returns to Mirkwood, which no longer has the shadow of evil hanging over it. The sword is supposed to be Glamdring, though.<< isn't that Thranduil's sword? <- Glamdring is Gandalf's sword hon.
UI Interactions of the week #114 – Muzli -Design Inspiration