Free textures

Check out this site for free textures:http://www.3dlinks.com/links.cfm?categoryid=10&subcategoryid=94

Turbosquid is a commercial site that sells textures but they also host free ones. You need to open a free account here.http://www.turbosquid.com/

Where to get free 3D models

For hundreds of free static models (eg an apple) http://www.3dcafe.com/

NTU 3D Model Database has a massive database of wavefront free models:http://3d.csie.ntu.edu.tw/~dynamic/database/index.html

Turbosquid is a commercial site that sells 3D models but they also host  free ones. You need to open a free account here.http://www.turbosquid.com/

Also from the NTU 3D Model Database but with pictures and also only has the first 1000 models from the database:http://www.skinhat.com/freemodels

For actors (eg Quake, Half life models) - Currently down :http://www.planetquake.com/polycount/