Help help help help help!!!

I need Arduino/Flash help... :'(

For my final year project in college, I need to connect my Arduino to flash and simulate a keypress to activate video and sound...

anyone know the code for either hooking ardunio to flash or keypresses activating video in flash or even know if this is even possible...?? :-/

Hint - Flash to RS-232 Serial

stupid but simple way. :)