Run Cool Motion, and create a new movie file.
In "Properties Panel", set Canvas width and height as "250x100", as shown here:
Press "Ctrl+F8" to create a new Symbol(or equally, choose "Insert > New Symbol"), a dialogbox will pop out, name the Symbol as "M", and select the symbol type as "Movie Clip", click "OK" to enter the editing mode of Symbol.
Choose "Text Tool" in "Tool Panel", then turn to "Properties Panel" below, set Font as "Times New Roman", Font-size as "56", Font-color as "red", and click "B"button to set the font style as "Bold" :
Type "M" onto the Stage, choose the "Transform Tool" in "Tool Panel " and select the text you' ve just typed, turn to the "Transform Panel"(if you can not find it, choose "Window > Transform" from the menu), set both "X" and "Y" coordinates to "0":
Repeat steps 3~5, and create another four symbols U, S, I ,C. You can find the Symbols you have created in "Library Panel"(if you can not find it, choose "Window > Library " from the menu):
Click "Scene 1" above the "Timeline Panel" to go back to movie editing mode, select Symbol "M" from "Library Panel", drag it into the Stage, make sure this Symbol be selected, and go to "Properties Panel", Enter "N1" as the Symbol name:
Drag the other four Symbols U, S, I, C into the Stage, rename them as "N2", "N3","N4","N5" respectively.
Choose "Transform Tool" in "Tool Panel", then select all Symbols, turn to "Layout Panel" (if you can not find it, choose "Window > Library " from the menu), click "Align Middle"button 
, and "Make Horizontal Spacing Equal" button 
:
Select Frame 2 and right-click to choose "Insert Frame".
Click "Insert Layer" button on "Timeline Panel"(or equally, choose"Insert > Layer"), select Frame 1 of "Layer 2", turn to "Action Panel" below(if you can not find it, choose "Window > Action " from the menu), enter following script codes:
n = 1;
do {
setProperty("N" + n,_xscale,random(20)+60);
setProperty("N" + n,_yscale,random(20)+60);
setProperty("N" + n,_rotation,random(10)+-5);
n = n+1;
}while(n<=5);
gotoAndPlay(1);
Right-click on Frame 2 of "Layer 2", choose "Insert Frame".
Now Press "Ctrl+S " to save the file, and Press "Ctrl + Enter" to preview the movie. Finally you can choose"File > Export > Export Movie(SWF)" to export the movie as .swf file.