This is one of many (30+) different modules that I've purchased from Modzzz. When I started developing with Dolphin I decided, after considerable research, to immediately install about 20 of Modzzz's modules... including this one... to *upgrade* the default installation plus add some extra features. My experience is his modules are both well written and very easy to install... plus, and this is very important for me, he offers excellent support for all his modules.