I have received a hifiberry daughterboard for the great raspberry pi 2 which makes it put out really nice audio. Now MPD is not featuring local cover art unless you run a webserver to tell it where to look for it.
Now here is how to tell the built in webserver to add a subdirectory that finds cover art (if you follow convention to sort your albums.
This information was compiled by Rowar from the RaspiFy forums before it was called volumio
but it works fine here with mpdroid and mPod
thank you, Dude! :)