NPCs are quivering while they walk. Help please.

I've just returned to my Game after a long hibernation, and found that when I play the game the NPCs "quiver" whenever they walk from one place to another. When I say quiver I mean the two frame walking animation is repeated very quickly and repeated and repeated until the NPC stops, at which time they are normal, and still as they should be. But then they walk again and the same happens.
I do not doubt I've made a very obvious mistake in the animation, but I can't find it. Hopefully you people can.
I have Coldstone 1.1, in the animation I have 4-directional selected, and I have 8 frames in the animation, (2 for North, 2 for East, 2 for South, 2 for West.)
Every first of these twos is marked with a marker, and every second of the twos is markesd with a loop back.
There are no parameters on the markers.
The Player animation does not quiver.

Thankyou!

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Poor little Johnny, of whom we'll see no more, for what he thought was H2O was H2SO4.

Quote

Originally posted by nero:
the two frame walking animation is repeated very quickly . . I have 8 frames in the animation

Hi nero. Have you tried slowing down the animation by increasing the number in the "frame rate" box? It is also possible that you will need more than two frames per direction. The usual number of frames per direction is six. ~RD

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Problem solved by frame rate change. Thanks!

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Poor little Johnny, of whom we'll see no more, for what he thought was H2O was H2SO4.