Old game design habit, use as few frames as possible to get the idea across. There's no point in spending hours coloring in a frame if they cut it later in the game. I slowed down the timing a bit instead. That will help smooth it out some. Photoshop's animation feature plays anims back slower than they come out when saved as .gifs.
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Weekly Challenge: The Walls Have Ears...
...it's very funny
This is scary D: