XBMC Add-on: VideoSeeker
VideoSeeker is a small XBMC add-on that allows playlist/shortcut videos to be started at a designated offset time. The format is located below, along with an example playlist.
Format
plugin://plugin.video.videoseeker/?offset=<Time_In_Seconds>&media=<URL_Encoded_XBMC_Media>
The following playlist contains two YouTube add-on items starting at offsets of 3 minutes and 2 minutes, respectively.
Example .m3u Playlist
#EXTM3U #EXTINF:835, Understanding the Russian mindset plugin://plugin.video.videoseeker/?offset=180.0&media=plugin%3A%2F%2Fplugin.video.youtube%2Fplay%2F%3Fvideo_id%3DHE6rSljTwdU #EXTINF:6422, The Transcontinental Railroad plugin://plugin.video.videoseeker/?offset=120.0&media=plugin%3A%2F%2Fplugin.video.youtube%2Fplay%2F%3Fvideo_id%3D-kq1r27S5DU
Checkout the project page for downloads and additional information.