> Deleting All Unused Media
> It is possible for media sources to exist in a ScreenFlow document without having an associated clip for them in the timeline. ScreenFlow provides an easy way to delete such orphaned media sources from the Media Library.
> To do this, click the Media Library tab, click the gear icon to open its menu, then select Delete All Unused Media.
> When the list of unused media displays, click Delete to delete all the unused sources from the Media Library.