The material's texture.

	// Assign the texture exposed in the inspector the renderer's material
	var texture : Texture;
	renderer.material.mainTexture = texture;

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Texture texture;
    void Example() {
        renderer.material.mainTexture = texture;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public texture as Texture

	def Example() as void:
		renderer.material.mainTexture = texture

	// Change renderer's texture each changeInterval
	// seconds from the texture array defined in the inspector.
	var textures : Texture[];
	var changeInterval : float = 0.33;
	function Update() {
		if( textures.length == 0 ) // nothing if no textures
			return;
		// we want this texture index now
		var index : int = Time.time / changeInterval;
		// take a modulo with size so that animation repeats
		index = index % textures.length;
		// assign it
		renderer.material.mainTexture = textures[index];
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Texture[] textures;
    public float changeInterval = 0.33F;
    void Update() {
        if (textures.length == 0)
            return;
        
        int index = Time.time / changeInterval;
        index = index % textures.length;
        renderer.material.mainTexture = textures[index];
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public textures as (Texture)

	public changeInterval as float = 0.33F

	def Update() as void:
		if textures.length == 0:
			return
		index as int = (Time.time / changeInterval)
		index = (index % textures.length)
		renderer.material.mainTexture = textures[index]