I can write for grown-ups, too--I've done one freelance interview with a non-profit.
I broke these down into categories in case you're looking for something specific.
Stories based on interviews:
"Choose to Give: People Helping People" Latter-Day Woman, September 2010, 34.
"Scriptures and Firewood" from an interview with Allan F. Packer of the Seventy; Friend, June 2010, 23.
"The Missing Box" from an interview with Elder Jorge F. Zeballos of the Seventy; Friend, May 2010, 21.
"Meeting the Primary General President" Friend, March 2010, 6-7.
Activity Instructions and Interactive Articles:
"Tithing Maze" Friend, February 2010, 35.
"Secret Servers to the Rescue" Friend, February 2010, 22.
"Detective Mya Heritage and the Adventures of a Happy Family" by Megan Withers and Anna Culp; Friend, January 2010, 28-29.
"New Year's Lantern" Friend, January 2010, 13.
"Are You a Good Communicator?" Friend, March 2010, 10.
"Cease from Anger" Friend, February 2010, 28.
"A Bright Example" Making Friends feature: Isabel Hills of Goffstown, New Hampshire by Julie Wardell and Anna Culp; Friend, September 2009, 36-38.
"Helping and Building" Making Friends feature: Jared Simpson of Meredith, New Hampshire by Julie Wardell and Anna Culp; Friend, July 2009, 12-14.
(After opening the Friend articles in a new tab, click View: as .pdf to see how it is actually laid out in the magazine.)