i'm not an animator by trade but i found this program to be very helpful & fun to use.
I messed around with Moho/animeStudio for a week or so back in like august or somethin and came up with this little character test clip.
It was posted up before but here's a shorter updated version with a little sound added;

http://www3.youtube.com/watch?v=Ll5T6JIlUkw
thnks for viewing.
characters created in Moho/anime StudioPro.
Compositing done in Sony Vegas 6.
Particles generated with Particle Illusion 3.
Background art done in Photoshop CS.