gistfile1.cs

using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif
using System.Collections;
using System.Collections.Generic;
using System;

public class WebImageDisplay : MonoBehaviour
{
	public List<string> urls = new List<string>();
	public float duration = 3f;
	
	void Start()
	{
		renderer.material.mainTexture = new Texture2D(4, 4, TextureFormat.DXT1, false);

		StartCoroutine (slideshow ());
	}
	
	IEnumerator UpdateImage(string url)
	{
			Debug.Log("reloading webcam");
			WWW www = new WWW(url);
			yield return www;
			www.LoadImageIntoTexture((Texture2D)renderer.material.mainTexture);
	}

	IEnumerator slideshow() // Not void
	{
		int cursor = 0;
		while (true) {
						
						StartCoroutine (UpdateImage (urls.ToArray () [cursor]));
						yield return new WaitForSeconds (3);
						
						cursor = (cursor + 1) % urls.ToArray ().Length;
				}

	}



	
}