Hello,
1 - Set the "Select origin of the playlist" to "playlist editor"
2 - In the playlist editor menu, set
"File 1 of your playlist" -->
lharley/media/4ecfef8a-4678-495e-b18c-1fbf108c4511.flv
"Streamer File 1" -->
rtmp://rtmp.flvnetwork.com/vod
"File 1 Image Preview"-->
url of your image/thumbnail
"Type of the media for File 1" -->
rtmp