A really good tip is to registrer at http://www.livemocha.com
It is a really nice site to start from scratch, or just revise. Good luck.

The most effective way to learn Spanish is to communicate with the native speakers. You can register this web: yappr.cn for free and there are some chatting rooms for several languages, which is  available within 24 hours. In addition, you can listen to songs and watch videos in Spanish on YoutTube. Look <a href="http://www.youtube.com/watch?v=wfgy_bpQOJo">http://www.youtube.com/watch?v=wfgy_bpQOJo</a>;

<a href="http://ningz.net/">http://ningz.net/</a>;宁子西语
<a href="http://www.iniy.com/">http://www.iniy.com/</a>;西班牙语角
hope you can benefit from them