Shader that flashes white

[zeteginara]

I'm looking for a shader that flashes a sprite white.  It looks like one used to exist in this thread:

http://2dtoolkit.com/forum/index.php/topic,1212.msg6180.html#msg6180

But the link provided by you guys at the end of the thread is broken. 

[unikronsoftware]

Fixed the link on that page. You can get a newer version of the shader here
http://2dtoolkit.com/forum/index.php/topic,4867.msg23635.html#msg23635