moskis/fancybox-for-wordpress — pull request #1 by archon810 (2012-04-24 05:48:40+00:00)
Title: Patch: Disabling fancybox on selected images

Add support for disabling fancybox on individual hyperlinked images by adding class='nolightbox' (the class name is generic on purpose)

Also see http://wordpress.org/support/topic/plugin-fancybox-for-wordpress-patch-heres-how-to-add-support-for-disabling-fancybox-on-select-images