I'll make this short.
For monster IDs 1113 and 1572, "Drops", the current GIF animation is:

This looks much more like a slow-motion walking Drops than a standing Drops. Based on a same-family monster, the Poring, whose animation is:

It's quite different. But in-game, their standing animation looks the same. The Drops animation should therefore be replaced by this one (without the white background):

It's quite a small detail, but I still think it should be corrected.
EDIT:
There's also a speed issue with Marin. It is:

It should be:

EDIT2:
Speed issue with Ghostring as well. It is:

It should be:

EDIT3:
Speed issue with Angeling as well. It is:

It should be:

Same thing with Archangeling. It is:

It should be:
