Old but very useful

Some of my photos at Flickr at 1k res.
and site has huge collection for download
to the rest of the our life-:)

this one is very useful for cg artist
http://www.cgtextures.com/signup.php
neatly placed packs to download freely
upto limited 15mb/24hrs.

and the one more link http://www.flickr.com/groups/free_3d_textures/