Olu indeed has beautiful costumes.
Some are made by Tahiya. I have one of her sets and it's just beautifully made. Her site is
http://www.tahiya.net/
She also has sets by Yasemin. She has past designs here:
http://www.yaseminyildiz.com/ and she and her husband just bought this site as their new online vending location
http://www.tribalbazaar.com/
AND there Olu is on the home page.
GORGEOUS sets. And I've heard *very* well made as well.