Transitions Between External SWFs preloader help need

[SIZE=3][FONT=Times New Roman] I did this tutorial [/FONT][/SIZE][FONT=Times New Roman][SIZE=3][COLOR=#606420][/COLOR][/SIZE][/FONT][FONT=Times New Roman][SIZE=3] , awesome. I wanted to know if some could help me add a preloader. This preloader would show up at the ending of the transition of the current movie. While the new swf file is loading.[/SIZE][/FONT]