Given that you say that going back to the old graphics doesn't fix the problem, that really suggests to me that there's something else wrong. Are you sure that nothing else changed between the build of the game that used to work and the build that now doesn't?
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Originally posted by Albadar:
What exactly is a key frame used for? (the check-box to the left of the animation file.)
If you have an animation that moves relative to its origin point (such as the "smoke puffs" that rise from the chimneys in Fantrima in PoG) the keyframes indicate where the animation is located at a given frame, and the engine will automatically interpolate the location of the other frames between the keyframes.
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'You can either be on the stage, just a performer, just going through the lines...or you can be outside it, and know how the script works, where the scenery hangs, and where the trapdoors are. Isn't that better?'
-- T. Pratchett
Please correct me if I'm wrong, and expect me to return the favor.