diff --git a/stackrc b/stackrc
index 9a94721..e1b65c3 100644
--- a/stackrc
+++ b/stackrc
@@ -27,8 +27,8 @@
 OPENSTACKX_REPO=https://github.com/cloudbuilders/openstackx.git
 OPENSTACKX_BRANCH=diablo
 
-# Specify a uec image to download and install into glance.
-IMAGE_URL=http://smoser.brickies.net/ubuntu/ttylinux-uec/ttylinux-uec-amd64-11.2_2.6.35-15_1.tar.gz
+# Specify a comma-separated list of uec images to download and install into glance.
+IMAGE_URLS=http://smoser.brickies.net/ubuntu/ttylinux-uec/ttylinux-uec-amd64-11.2_2.6.35-15_1.tar.gz
 
 # allow local overrides of env variables
 if [ -f ./localrc ]; then