Combined Code
	movieClip 9	{
	}
	movieClip 10	{
		frame 1 {
			N = 100;
			Z = new Array();
			Z[N] = 10;
			WX0 = 5;
			WY0 = 7;
			WX = 0;
			WY = 0;
			A = 1;
			X0 = 0;
			Y0 = 0;
			i = 1;
			while (i <= N) {
				name = 's' + i;
				duplicateMovieClip(s, name, 10 + i);
				obj = this[name];
				obj._x = X0 + 600 * Math.random();
				obj._y = Y0 + 600 * Math.random();
				Z[i] = 10 * Math.random();
				M = 1 - Z[i] * 9 / 100;
				obj._width *= M;
				obj._height *= M;
				++i;
			}
		}
		frame 2 {
			WX += Math.random() / 5;
			WY += Math.random() / 5;
			if (WX < -A) {
				WX = -A;
			}
			if (WX > A) {
				WX = A;
			}
			if (WY < -A) {
				WY = -A;
			}
			if (WY > A) {
				WY = A;
			}
			i = 1;
			while (i <= N) {
				name = 's' + i;
				obj = this[name];
				M = 1 - Z[i] * 9 / 100;
				dx = (WX0 + WX + Math.random()) * M;
				dy = (WY0 + WY + Math.random()) * M;
				obj._x += dx;
				obj._y += dy;
				if (obj._x > X0 + 600) {
					obj._x = X0;
				}
				if (obj._y > Y0 + 600) {
					obj._y = Y0;
				}
				obj._rotation += 2 * Math.random();
				++i;
			}
		}
		frame 3 {
			gotoAndPlay(2);
		}
	}
	movieClip 16	{
		frame 1 {
			stop();
		}
	}
	movieClip 17	{
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
		instance of movieClip 16	{
			onClipEvent (enterFrame) {
				if (random(20) == 1) {
					this.play();
				}
			}
		}
	}
	movieClip 20	{
	}