here are some download links for audio samples:

http://www.autistici.org/2000-maniax/samples/

http://rockda500.us.to/

http://www.darkbeats.com/sampleswap/

http://www.hellosamples.com/

http://machines.hyperreal.org/winky/0012.html?Winky

http://machines.hyperreal.org/samples.html

http://www.synthzone.com/

http://cl516.blogspot.com/2009/04/free-tr-909-samples.html

http://www.lysator.liu.se/~zap/stomper/index2.html

http://www.thesample.net/

http://beatthebrakesoffyoass.blogspot.com/

http://www.samplecraze.com/section.php/2/0/samplecraze-licence-free-drum-samples-and-drum-and-percussive-loops/?jssCart=3d0114240747cb33063ca8f37aa9e1b7

http://www.cratekings.com/17-artists-that-should-never-be-sampled-by-hip-hop-ever-again/