Click space to change sprite. Click flag if mouse trail stops working. How to add to your project: Click see inside Drag sprite 1 into your backpack. Open up project you want to put it in. Drag the sprite from backpack into project. Go to costumes tab. Delete all costumes you don't want. Go to scripts tab and delete the code stack that says when space clicked go to next costume (unless if you don't want to) And that's it!
Song is Shooting Star by Owl City