http://www.tophattwaffle.com/downloads/real-world-textures/

http://www.tophattwaffle.com/downloads/realworldtextures-2-textures/

http://www.tophattwaffle.com/downloads/water-source-textures/

http://www.tophattwaffle.com/downloads/water-texture-pack/

http://gamebanana.com/textures/4365