The problem is in the description. The command I use to get the image is

/yamipa give MikChan test.gif 1 4 2 REMO,ANIM

If I place it, it is impossible to remove it unless you use the command /yamipa remove.

Hello @wtlgo,

That's the intended behavior. You're overwriting the default "give" command flags, so effectively the only flag your image item has is "ANIM" (animatable) because it's the last one you pass.

You don't need to pass any flags to the command, just use it like this:

/yamipa give MikChan test.gif 1 4 2

Please, read the documentation regarding flags.