Audacious

Plugin works fine if only one artwork in file, i.e. FRONT_COVER Image. Add a second image i.e. BACK_COVER Image neither image displays.

pc1:~$ audacious -v
Audacious 4.2 (Fedora package)
pc1:~$ uname -a
Linux pc1.purcell.lan 6.4.12-100.fc37.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Aug 23 17:49:27 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

pc1:/share/music/Various/Not Lame Compilations Collection/The Lost Box Comps/Disc 28$ eyeD3 01\ Insomniacs\,\ The\ \ Sylvia\ Gray.mp3
/share/music/Various/Not Lame Compilations Collection/The Lost Box Comps/Disc 28/01 Insomniacs, The - Sylvia Gray.mp3 [ 7.35 MB ]
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Time: 03:05 MPEG1, Layer III [ 320 kb/s @ 44100 Hz - Joint stereo ]
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ID3 v2.4:
title: Sylvia Gray
artist: Insomniacs, The
album: Sylvia Gray
album artist: Insomniacs, The
recording date: 1995
track: 1/3 genre: Power Pop (id None)
disc: 1/1
Comment: [Description: ] [Lang: eng]
Outer Limits – OL 62.704 Vinyl, 7", 45 RPM
UserTextFrame: [Description: replaygain_reference_loudness]
89.0 dB
UserTextFrame: [Description: replaygain_track_gain]
-0.120000 dB
UserTextFrame: [Description: replaygain_track_peak]
0.395329
UserTextFrame: [Description: MP3GAIN_MINMAX]
076,204
UserTextFrame: [Description: MP3GAIN_UNDO]
+006,+006,N
FRONT_COVER Image: [Size: 155000 bytes] [Type: image/jpeg]
Description: R-1262024-1534508851-3923.jpg

BACK_COVER Image: [Size: 163934 bytes] [Type: image/jpeg]
Description: R-1262024-1534508847-7669.jpg

I think the default behavior should be to display the first image the plugin finds in the file or the FRONT_COVER image if so labeled.

Thinking ahead, if there are multiple images perhaps a montage could be displayed with the ability to allow the user to choose which image to scale full size (within window constraints), or perhaps to scroll through the images serially (Front, Back, Media Leaflet, A bright colored fish, etc). I'll create a separate enhancement request if needed.