Heya Mike! to answer you're question yes,there are photos for purchase during the tour,they can be purchased at the merchandise booth for all the acts including Kellie and Gloriana.
Photo's are priced at $5.00.
Some fans find it easier to purchase through the merchandise sites such as Kellie's right here;
http://www.richardsandsouthern.com/store/index.php?cPath=92