What sort of software could I use to make an animated movie?

I'm making a documentary and for various parts throughout, there are some different animation-type things I want to add in. For example, at one point I want to have an animated bus traveling across a map of the United States, zooming in at various cities and changing to an actual clip. Does anyone know what kind of software I could use to make this?What sort of software could I use to make an animated movie?Flash animation.What sort of software could I use to make an animated movie?Checkout http://bit.ly/c4WpzI it has a bunch