Suggestion: put dates next to all videos.
Suggestion: put dates (of production) next to all videos. New folks in SL especially, but anyone as well, will benefit from knowing how old the videos are. This will become even more important as the months and years pass.
With knowledge of how recently a video was produced, a user can understand and take into account why things (the user interface especially) in the video look and behave differently than his/her own experience inworld.
A simple way to lessen confusion for newer users.