m3u playlist

[Squirt]

Hi,
I am trying to add a video mu3 playlist to video station from a file stored on my laptop.
Where are the files located?
Thanks

[Squirt]

anybody watched these two tutorials: M3U Playlist: What is an M3U File & How to Play M3U Files?
M3U Files: How to Play or Download the ... U Playlist
What do they mean? I am confusing now