i used my friend photorefs & lots of handpainting/cltaning etc. initially they were made for tree model, but they were too dirty to be released as texture. normals were made by crazybump :)
here's some texture tips :) textures are made from typical tile textures (you can find them on specialized texture sites (www.cgtextures.com, www.textureking.com or simple google image search). Then they combine in photoshop with masks. After that we do handpainting based on texture pupose - if this texture is a wall…