The Best Tafseer of the Glorious Quran you can find is Tafseer Ibn Kathir..
This is very useful for understanding the Quran ! All Volumes compiled in one E-Book ! Download English & Arabic Only English Please pass to others and distribute the knowledge ! Allah will reward you Insha-Allah ! Get your domain and website for less than Rs.100/month*. Go to http://in.business.yahoo.com/