Zac Poonen's text/audio BEAUTY FOR ASHES--anyone know where it is?

I have a dear friend who just yesterday began going through "the dark night," and this morning as I prayed the Lord brought to my mind a comment in someone's post just the past ten days about Poonen's article or audio sermon on [b][size=x-small][color=CC9999][font=Georgia]BEAUTY FOR ASHES[/font][/color][/size][/b]. I looked up the phrase in scripture and am trying to find Poonen's article or sermon. Can anyone help me?

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[url=http://www.cfcindia.com/web/mainpages/book_window.php?book=beauty_for_ashes]Link[/url]