MovieClip Data Types

You are comfortable with targeting Movie Clips by their instance names and linkage names, but it's going to start getting difficult to set multiple properties for multiple movieClips.

Now in order to take advantage of this for loop, you need to move all four lines of code (attachMovie, var, _x and _y) between the braces that make-up the for loop using the Move Selected Actions Up button:

Your script should look exactly like the example above. Now test your movie: