Easiest Flash PreLoader Ever

On the third frame, create a button that will be clicked to advance the movie clip to the next scene once it’s loaded in full. I’m swapping mine out with my “Loading…” text, so I just created it as a new button without inserting it on the stage, then used Swap Symbol to switch them out so that the Start button would be in the exact same place on-stage as the “Loading…” animation.