The original player was discontinued and picked up later to become lmp-NG: http://www.cecm.usp.br/~lucas/lmp-ng/
As far as I am aware that is the latest version (bar betas which are not listed there (unstable does not mean beta) and normally very much test builds and not for general use).
I figured out the problem after you extract all of the lmp files, you have to copy both the nds and gba file onto your microsd. I got the files off of gbatemp.
humour is subjective.. if you dont see the humour, we have to at least recognise the attempted pretext of it within the social commentary its giving...