Underneath are a couple of animation features and shorts I can highly recommend to see:
Despicable Me (A 3D feature animation)
Fantastic Mister Fox (A feature stopmotion film, (I didn't see this in Annecy but afterwards))
Day and Night - by Teddy Newton (a 2D/3D animated short, Pixar)
About One Bird - by Olga Kudryavtseva (A 2D animated short)
The Lost Thing - by Andrew Ruhemann and Shaun Tan (A 3D animated short)
Blackhole - by Arjan van Meerten (A 3D music video, adult content) (this is made by a college from the studio 'House of Secrets')
Aides "graffiti - by Yoann Lemoine (A 2D and lifeaction save sex commercial, adult content)
Going West - by Martin Andersen and Line Andersen (a cut-out/stopmotion animation)
Peter Kay's Animated All Star Band (A stopmotion animated short) (All the stopmotion characters from the BBC as an All Star Band, very funny if you know the characters)
Lebensader - by Angela Steffen (A 2D animated short, student)
Zeitwellen - by Evgenia Gostrer (A stopmotion short, student)
The terrible thing of Alpha-9! - by Jake Armstrong (A 2D animated short, student)
Parade - by Pierre Emanuel Lyet (A 2D animated short, student)
movies and shorts I didn't get to see but what people (I trust) told me are really good are:
The Illusionist (A 2D feature animation)
Summer Wars (A 2D feature animation, anime)
Redline (A 2D feature animation, anime)
Don't Go - by Turgut Akacik (a short life action with 3D animation)
Der Kleinde und das Biest - by Johannes Weiland and Uwe Heidschötter (A 3D animated short)
Sorry that there aren't any links to any of these shorts. I don't have the time to search google for the one's that can be found. Perhaps when I am graduated I will look them up but for now you have to look them up yourself.
Hopefully this list is inspiring for you!!