Unity: Draws an icon on a game object in Unity 3D's Scene View.

Unity DrawGizmo

#pragma strict

/***********************************************************************
 * Notes
 ***********************************************************************/

/*
 * Attach this script to an empty game object to give it an icon in the 
 * Scene View. The icon file, as set by the "name" variable, should reside
 * in the project's "Assets/Gizmos" folder. See this page for more details:
 * http://docs.unity3d.com/Documentation/ScriptReference/MonoBehaviour.OnDrawGizmos.html
 */

var filename : String; // e.g. "Spawn Point Gizmo.tif"
var allowScaling : boolean = true;

function OnDrawGizmos() {
    Gizmos.DrawIcon(transform.position, filename, allowScaling);
}