Looks like your vision has come true mate
I've done what you first wanted, works like a charm.
You need the LATEST Optimised build.
Coverart will need to be 75x75 BMP cover.bmp, and needs to be placed in the folder where the music is being played from.
ie. F:\Music\AC-DC\Back in Black\cover.bmp
Misticriver link -
Here
Mingo3k.net link -
Here
Ready to extract and use. Enjoy