Here are some links to FREE seamless textures:
http://flickr.com/photos/sigmaman/2901047839/
http://flickr.com/photos/sigmaman/2901048101/
http://flickr.com/photos/sigmaman/2901048433/
http://flickr.com/photos/sigmaman/2901048673/
http://flickr.com/photos/sigmaman/2901048903/
http://flickr.com/photos/sigmaman/2901892754/
http://flickr.com/photos/sigmaman/2901893054/
http://flickr.com/photos/sigmaman/2901893416/
http://flickr.com/photos/sigmaman/2901893654/
http://flickr.com/photos/sigmaman/2901893940/