what I am trying to do. E.g. place, maybe "a spacing" between two stills - that won't upset the current narration line and in order to drop another still when I get it from the person who is taking it for me in the next day or two. I am anxious to get this project done asap and if there is a way I sure would like to know of it. Thanking you in advance if you can help me.
What I do is play your playhead where you want the clip to be, select it in the Browser and use Q to make a connected clip. The gap clip gets filled in automatically. Then you can overwrite the gap clip if you want later (right-click the clip, choose Overwrite Primary Storyline.