From Ogre Wiki

Models Blender Model Repository New version online since Novermber 2006. The Low Poly Cooperative Free models, mainly in Blender format, but also available as OGRE meshes. WikiWorlds Free content models and game data. Worldforge media repository 5+Gb of GPL textures, meshes, sounds, music and artwork. irishlostboy's models at ShareCG Free models complete with normal and specular maps. Sounds FindSounds A free site where you can search the Web for sound effects and musical instrument samples. freesound An educational website with lots of sounds (30,000) licensed under CC. pdsounds.org Public domain sounds

Textures Image After Has many great textures, including referance art Mayang A free texture resource with several categories. Got3D Textures and reference art. Textures A seamless texture resource. David Gurrea's Handdrawn Textures Free for non commercial use. Photorealistic Textures Pack 2000 seamless realistic textures specifically designed for mapping and professional 3D modeling. The Blender Texture Disc A collection of high quality textures and materials, released to public domain in May 2006. The world's most comprehensive list of free texture resources. ThinkFree | Scribd mirror All sites are online as of October 2007