some common sites you should know and their uses
fztvseries.mobi & fzmovies.net (download series movies and normal movies for free)
softpedia.com (download softwares for your system for free)
o2tvseries.com (download series movies)
mp3skull.com (for downloading music)
lindaikeji.blogspot.com (for latest gossip on variety of things)

i'll add more interesting ones if i find... enjoy