Skip trickplay scanning

I have trickplay (BIF) files from another applicaiton alongside my media files.
Ideally, Plex could just use those, but that is a seperate request :sweat_smile:

I have a .plexignore file in my main library folder and a copy of it inside of each movie/show folder.
They look like this:

#Ignore TrickPlay Folders
/*trickplay
trickplay/
trickplay
/.trickplay
.trickplay/
*.trickplay
.trickplay

#Ignore directories
$RECYCLE.BIN/*
$RECYCLE.BIN
320 - 10x10
320 - 10x10/*
320 - 10x10/
/320 - 10x10/*
/320 - 10x10/

Generally, the structure is:
#Movies
Media Library Folder \ .plexignore
Media Library Folder \ Movie (year) \ mediafile (year).mkv
Media Library Folder \ Movie (year) \ .plexignore
Media Library Folder \ Movie (year) \ mediafile (year).trickplay \ 320 - 10x10 \ {BIF Jpeg files}
#Shows

Media Library Folder \ .plexignore
Media Library Folder \ Show \ mediafile SxxExx Title.mkv

Media Library Folder \ Show \ .plexignore
Media Library Folder \ Show \ mediafile SxxExx Title.trickplay \ 320 - 10x10 \ {BIF Jpeg files}

Plex seems to still scan trickplays folders that are inside of the movie/show folders.
Any suggestions or is it a lost cause to keep Plex from scanning the subfolder trickplay folders?