@Frank Hi Frank,
Cover images are usually contained in files (mp3, m4a, ect.), but if not, then try filling in the m3u list like this:
"
#EXTM3U
#EXTURL:http://192.168.0.2/test/cover.jpg
#EXTINF:1,P!nk - Just give me a reason
Just Give Me A Reason.mp3"
or:
"
#EXTM3U
#EXTURL:http://192.168.0.2/test/cover.jpg
#EXTINF:1,P!nk - Just give me a reason
http://192.168.0.2/test/Just%20Give%20Me%20AReason.mp3"