Preview of embed album art in audio file for Dolphin 5.
NOTE: It will be part of kio-extras 17.04
Supported format mp3, flac, mp4, ape, wavpack, mpc, aif, wav
If you wants support of other audio type - contact me.
You will need to compile from source to use this plugin in Dolphin.
Follow instructions in GitHub, if have troubles write here.
Ubuntu 16.04 or 16.10
sudo add-apt-repository ppa:forkotov02/ppa
sudo apt-get update && sudo apt-get upgrade