Here is an animated short film by Weybec Studio and Blender Institute called "Monkaa". Everything here was made using only free software such as Blender and GIMP.
A very well made comedy animated film. You can also download all the project files and tutorials on cloud.blender.org!
Produced by: Weybec
Released by Blender Institute, in Blender Cloud and the blender.org e-store