Beating the bots
Slave 1- Simply get in behind him in your Jedi Starfighter II and blow him to bits.
X-wing- Same thing as the Slave 1 but you have to be a lot quicker, be careful in front of him as he locks on very fast.
Grievous's Ship- Use the X-wing and make him dog fight, he doesn't have very good handling and is a big target.
Advanced Tie Fighter- The king of dog fighters! This ship has incredible maneuverability and awesome accuracy, your only advantage is he has no missiles and a large solar panel things on his sides that are easy targets when he turns. Don't get in front of him and speed up when he turns because he is superb and getting cheap shots in the middle of a loop.
Millenium Falcon- AHHH! Ok this one drove me nuts. There are 2 ways to do this. Use your X-wing and hope he doesn't turn around while you're locking on (Always fire at LEAST 2 missiles) Or use the Advanced Tie Fighter, get right up behind him and make him turn, presenting a big round target for you to blow away. Just don't get in front of him, he has 10 missiles and strong lasers, so you'll die as you're moving your shields to the front to charge him. The Falcon also takes the least damage when running into other ships, so don't go all kamikaze as you don't get the kill anyway.
You've beaten the bots!