A wacom bamboo
...and a stead hand would do you great if you ever decide do frame by frame in flash.
Your animation was indeed very smooth but I was a little disoriented by the choppiness of the camera movement. Quick music could also be added and with a little action script, you could easily make a music jukebox if you ever decide to make your animations longer. For that, I recommend this easy tutorial:
http://www.newgrounds.com/portal/view /399780
Great job overall, you should be proud of yourself :)
5/5