The texture used for drawing.

	// Assign someTexture to the guiTexture
	var someTexture : Texture2D;
	guiTexture.texture = someTexture;

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    public Texture2D someTexture;
    void Example() {
        guiTexture.texture = someTexture;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	public someTexture as Texture2D

	def Example() as void:
		guiTexture.texture = someTexture