There is a quick faq in the package 'mod_playerjr_2.12.0_UNZIP_FIRST' call
README_INSTALL_UPGRADE_TO_JW_PLAYER_MODULE_2.12.0.txt
you have this kind of information, but not problem i can copy paste here :
How to set up your playlist using a XML Playlist (No items limit) :
1. Go to the admin Management of the Module, Select JW Player Module, edit it.
2. Click on right panel : "Playlist Parameters" (J!1.6 to 2.5) or "Module Parameters" (J!1.5)
3. Set the "Select origin of the playlist/Single File" list to "RSS Link"
4. Set in the field "Link of your RSS File/Single File" the url to your playlist file, i.e. :
www.joomlarulez.com/images/stories/playlist/big_buck_bunny/big_buck_bunny.xml
5. If you don't know to build a XML playlist, you can read the dedicate chapter on the documentation of the module or read the Longtail video documentation :
www.longtailvideo.com/support/jw-player/jw-player-for-flash-v5/12537/xml-playlist-support
6. Click on "Save" or "Apply" and check if the module have correctly display your playlist.
