I really can't tell what part of that image is the TCP images, lol. Any shifting is more than likely due to something being off in the frames of the image itself. Double check that the frames are all exactly the same size and that you didn't accidently trim a pixel or two off the first or last frame. Also, doublecheck that each image in each frame to make sure they are positioned correctly, and that your frame count matches the actual number of frames.
Animations can be a pain in the butt sometimes!
