This was made by first creating individual frames in Inkscape, then exporting them as PNGs, and then cobbling everything together in GIMP. (I am tired of being constantly asked how I make these animations.)
Inkscape SVG file: sta.sh/0wxxokv1sfg
Based on "My Little Pony: Friendship is Magic" by Lauren Faust.
...The more you know!
Now where is my sledgehammer...