Quote Originally Posted by DivaVocals View Post
His (my) lightbox and IH2 touch the same product page files. Since he did not merge these changes, his lightbox wiped out the IH2 code on his product page.
What product page files are you referring to? I just double-checked a directory compare of the two add-ons, and could find no overlapping files. (I was incorrect in what I said about main_product_image.php above.)