Specifications

Appendix C. Album Art 170
The following characters will be replaced with an underscore (_) when looking for
albumtitle.bmp or albumartist-albumtitle.bmp: \ / : < > ? * |. Doublequotes will be
replaced by single quotes. If no album artist is set, artist will be used instead. See
ZAlbumArt in the wiki for programs that will help you automate the process of putting
album art on your player.
The Rockbox manual (version rUnversioned directory-150516) Sansa Clip+