Woody feel jealous to buzz lighter, because he took all love from Andy to him. We may encounter this in our daily life too. May be the new collegue gain the trust from your superior or your new classmate catch the No.1 that orignally belong to you. You should figure your problem rather than wasting time to envy the others.
Buzz lighter always believe he is a space ranger and he is responsible to protect the peace of galaxy. But finally he found himself was nothing but just a toy. He felt depressed. Don't regret those beautiful dreams that you havd in original. You should cherish it although you may not achieve it. Don't get lost. Stay at moment and have a vista to the future.
It's the first cartoon that made totally by computer. And it's surprisingly perfect. I think the plot is more important to the technology.