Good programs for animating?

[iamlowlikeyou]

First, sorry if this is an inappropriate question for this forum...

I was wondering what programs you are using for animating your sprites?
I'm mostly looking for something to do high resolution animations (not pixel art) -
I have tried with Flash, but it seems a little unhandy for this purpose, but maybe it's just because I haven't grasped the best way to do it.
I'd like to be able to copy the last frame into the current frame as some sort of "watermark", so it's easier to draw the current frame. Kind of like with a real life light table. I haven't been able to find if Flash can do that...

Anybody have a good recommendation for a program?

EDIT: Oh yeah I forgot - it should probably be vector graphics, because I want the graphics to be antialiased and still easy to fill color the surfaces...

[GarageGothic]

Check out Toon Boom and Anime Studio (less expensive). Don't know of any free alternatives, I'm afraid.

[Khris]

Btw, the term for this is onion skinning.

[iamlowlikeyou]

@GarageGothic:
Thanks, I will check out these programs!


@Khris:
Thanks also, I managed to find the function in Flash now!