Xathereal, thanks, you pointed me in the right direction.
var timer : float;
var startTime : float;
var check : boolean;
var MyTexture : Texture2D;
function Start(){
startTime = 0; // Set to 0 for Lerp to work, between 0 and 1
}
function Update(){
}
function OnGUI(){
if (check)
{
timer = startTime += Time.deltaTime;
GUI.DrawTexture(Rect(Screen.width/2, Screen.height/2, Mathf.Lerp(200, 50, timer), Mathf.Lerp(200, 50, timer)), MyTexture);
}
}