That was the lightbox theme. I've been trying them out but can't find one that suits me or my clients as well as the old default.
Thanks for telling me where that switch was. I felt sure there must be one. I've looked all over and never could find it.
PhotoPost Pro 8.23, Shared Host, Linux 2.6.27-grsec4, Apache 2.2.11, PHP 5.3, MySQL 5.1.85, GD 2.0.28,