pigfart

onClipEvent(load){
speed=15;
}
onClipEvent(enterFrame){
if(Key.isDown(key.LEFT)){
x-=speed;
}
if(Key.isDown(Key.RIGHT)){
x+=speed;
}
if(Key.isDown(Key.UP)){
y-=speed;
}
if(Key.isDown(Key.DOWN)){
y+=speed;
}
}

hope that help with moving things with arrow keys and remember, it is case sensitive, put the registration in the middle, and make it a movy clip.