Changpeng Zhao has written a very informative comparison of Gallery 2 and Coppermine. His points range from basic usage differences to coding practices. Zhao is also the author of a few modules for Gallery 2. We think that you will find his explanations valuable in the hunt for your website's perfect media gallery. Enjoy:

• http://www.cpzhao.com/web/comparing-gallery2-and-coppermine-2.html