Hi, I was not able to check out the dropbox file, it seems to not be there anymore. I agree with Walter, you should check Video Copilot Basic Training. But I got the notion that you are only interested on doing this.
Look for the “project” window (usually on the left side of the software). You will find the compositions (the main work areas). Most templates name their comps after what you are supposed to place on them (ie. “your image” “your video” “your text”) I am guessing in this case you must have a comp named “your video”. You need to click File/import browse your video, it will appear on the project window (I suggest placing it on the “assets” folder if the template includes such a folder.)
Open “your video” composition. You will see the timeline and the monitor when you do, and then just drag your own video to the timeline.
There should be also a compostion called “main” or “final” or something like that. You will probably be able to see your video with the title on that compostion and that is the one you will want to render Composition / Add to render queue —–> Once your composition is over there click on it so you choose your codec and format.
Hope this is what you were looking for because I am working a bit blindly here. If not please let me know and I will try to help again.
Best
Isaac
Always telling stories through animation.