Someone

//c#
int picCount=0;
System.Collections.ArrayList picList = new System.Collections.ArrayList();
  
public void default_event_state_entry()
{
    picList.Add("http://esamultimedia.esa.int/images/astrolab/s121e05272.jpg");
    picList.Add("http://esamultimedia.esa.int/images/ISS/Second.jpg");
    picList.Add("http://esamultimedia.esa.int/images/ISS/01.jpg");
    picList.Add("http://esamultimedia.esa.int/images/ISS/ISS_and_airplane_H.jpg");

    llSetTimerEvent(10); 
}
 
public void default_event_timer(){
    picCount++;
    if (picCount >= picList.Count)
      picCount = 0;

    string URLTexture = osSetDynamicTextureURL("", "image", (string)picList[picCount], "", 0);
    
    if (URLTexture.Length > 0) 
    {
        llSetTexture(URLTexture, ALL_SIDES);
    }
}