How it works is very simple. You only have to indicate the path of the files that you want to load to listen to and the visual aspect of the application. There are multiple skins to choose from. After pressing the publish button you will have the application embedded wherever you want. Moreover, the program offers you the possibility to preview the results in your usual browser.
If you are looking for a simple option with which you can create your own MP3 player in Flash, SWiSH Jukebox is an excellent choice. Its simplicity and the vast amount of configuration options that it offers make it a really good option for the majority of users.