2D backgrounds to composite with existing vehicles, HDRI lighting and reflective domes to assist in the rendering of virtual vehicles into 2D backgrounds, and 360 degree HDRI virtual world environments for 3D web applications. www.cgibackgrounds.com
www.yourdailytexture.com Here you will find daily updated high-quality seamlessly tileable textures. They are free to use for non-commercial purposes. All textures are hand created, using high-resolution images shot by us as input.
www.spiralgraphics.biz free tiling texture materials
www.grsites.com Now with 5740 seamlessly tiling, attractive background textures for use in web pages, graphical software or on your desktop. Sorted by color and motif. Fully customizable!
www.hdri-locations.com High quailty HDRI for purchase. Some exotic locations by Denmark pro Thomas Suurland.
www.textureking.com nice site, fast
www.grungetextures.com looks like a copy of CGtextures
browse.deviantart.com