Right...Firstly...you have done a great job Dal...granted they;re not perfect butfor a first try they're pretty close

Right...to be able to line the layers up better so they don't move around like they seem to be in the tut animation (Ziyi Dancing)
basically either don't move them in the first place
IE: open as layer scale...then open the next one as layer and scale to the same dimension but don't moe any of them
If you
have to move the layers (EG ...the action is all to one side of the frame and you want it in the center) scale your first frame and position it where you think it looks best then open as layr the next frame....go into the "Layers box"
(2.4... "Dialogues"..."Layers"....
...2.6.... "Windows"..."Dockable dialogs"..."Layers")
and change the "Opacity" of the layer on top....that way you should be able to kind of see the layer below so that you can line it up as best you can

BTW I noticed your pretty border there is absolutly perfect

...it doesn't look like you missed a single frame and they line up just right too, so well done

I think your brandon Lee animtion is really quite good too

...the frames are well lined up, but I think this has the same problem as the Dean one that ilaria posted...I think the main reason it runs so fast is becaue there just aren't enough frames per second...you need lots of frames/images for it to run smoothly...
unfortuantly for some reason it won't let me save it to my comp so I can see if re-aranging it would help

..it keeps coming up as a .bmp...which is wrong as it's a .gif I can see that

....bloody computer

anyway for now...
This animation is a 54 frame job...

yet it runs for just 6 seconds...so it's about 8.5/9 frames per second, you need lots and lots of images to string together...too many gaps that are more than a few frames long them it goes all jumpy or just way too fast...

this one is a massive 85 layers...and still only runs for about 10 seconds...

It is really tricky and really annoying/time consuming...but once you get the amount of frames per second you need the resuts are totally worth it
I'll try and do an example of what I mean later...as I said it takes a while to get the caps

...but I'll show you the differene between taking every frame...every other frame, every third frame and every fourth frame..you wouldn't think it's be alot but when it all comes together the results from getting the right FPS can make the difference

BTW I most often take every third frame for a Real time look
...but to do a slo-mo you'll need to use every other or every single frame

I'll be back ASAP to show you the differences

...for doing a vid style animation getting the right caps is usually the hardest part