Multiple Art import in MP3 file

Hello Support ,
I'am not hundert percent sure but i thing i have found an bug .

I try to prepare my mp3 for usage in my qnap musicstation .
Therfore i have deleted with Mp3 tags all other taggings then version 2.3 ISO-8859-1.
My problem is now the following
I have some 30 compilation cd with 98 tracks in mp3 files all files have an artist art tagged inside the mp3 seperate which differs for every file .
Now i want also tag those files with an additional front-cover art which is the same same for all files .
Therfore on my understanding oi do the foollwing major steps
a.

  1. I select all files
  2. click on the cover
  3. the art is now displayed
  4. Select set cover type and set it to Artist
  5. Execute and save this then and afterwards every art differ in all mp3 files and are displayed as an artist type art as expected

b.

  1. I select all those files again
  2. click on the cover
  3. select add cover
  4. select the *.jpg which should be used for front cover from the filesystem .
  5. the art is now displayed
  6. Select set cover type and set it to front-cover
  7. Save this also to all files now .

The result now is not as expected afterward all Artists arts are deleted and only the
front-cover art are remain .

If i do manually file by file then it is possibly to add an additional type of art and it will be displayed
but this is not an option to do it with hundred or thousend of files .
For me it seem that the bulk import of art files have an bug and does not take care of the right art tagging or only overwite the whole tag of arts .

If you can take care of this it will be very helpful for me .

Anyway if ít is possible for you to fix this i will give you an great great thank you
for your execelent tool which you have build until now .
Best Regards
Frank

Using the filename mask ".jpg" is a bad choice, to make sure which image file exactly should be loaded.
This way using a wildcarded name, Mp3tag can only get the first fitting filename, which the disksystem can deliver for "
.jpg" from the directory.
To load a dedicated image file, you have to name this image file as exactly it could be.

DD.20170903.0905.CEST

After trying out what you want to do, I have to add some more aspects.
For me it seems that the tag panel dialog does not appear suitable for this task.

You should apply the action "Import cover from file" twice for both tasks, ...
at first add the different artist pictures and then add an unique compilation picture.

  1. Apply the action "Import cover from file".
    In the action dialog apply a formatstring for the artist image filename, ...
    something like: %artist%'.png'
    Import cover as: Artist
    This needs to have different image files within the disk folder, having the name of the current artist.

  2. Apply the action "Import cover from file".
    In the action dialog apply a formatstring for the compilation image filename, ...
    something like: 'Compilation.png'
    Import cover as: Front Cover

DD.20170903.1210.CEST