I'm pretty sure there's only two sprites we're supposed to compare.
The first two look like a jiggling animation, and the second set is the same with a higher contrast palette.
As far as choosing between the two, have you thought of only using the black outline in the darker portion of the cap?
The first two look like a jiggling animation, and the second set is the same with a higher contrast palette.
As far as choosing between the two, have you thought of only using the black outline in the darker portion of the cap?