History: Create outline around a character

material some/random/material/with/rim/effect
{
   technique
   {
      pass
      {
         texture_unit
         {
            texture yourtexturehere.png
         }

         //rim lighting
         texture_unit
         {
            cubic_texture rim.dds combinedUVW
            tex_address_mode clamp
            colour_op_ex add src_texture src_current
            colour_op_multipass_fallback one one
            env_map cubic_normal
         }
      }
   }
}