Animations are too fast/not fully visible

[JakesFromBB]

Animations are faster than on normal Tibia Client.
Sometimes, they aren't fully visible or are "cut" halfway.

OTU:

TibiaClient:

The same thing is on walking animations.
OTU:

TibiaClient:

It looks like those animations with more "pictures/states" than 2 is bugged. Works fine with fire on example:
OTU:

TibiaClient:

Fire field has two "states/pictures" on animation, the burning wall next to it has at last three and it's faster.