The MM portable installation refers to a normal MM4 installation but check the "Portable" option that is presented. The MAD plugin can be found here http://www.mediamonkey.com/addons/browse/audio-video/codecs-input-plug-ins/ I suggest that you stop using POM as I found it rather unstable....

Play on Mac can run MM on a Mac ... It was very easy. From recent recollection... Downloaded PlayOnMac from http://www.playonmac.com/en/download.html 1.3.21 and installed Created a new application for Internet Explorer 6 (this is probably the bit you missed). Note: "Application" is POM's ...