I would really like to know where a texture library is. if any one knows, please tell me.
Use the search function.
One of the best ones was done by sonix: http://blenderartists.org/forum/showthread.php?t=28853.
-Laurifer
http://www.filterforge.com/filters/
comes with normal- and bumpmaps. Loads (> 1000) pretty cool free textures.