I assume you have already paid the person you hired. If not, you should eventually be able to get him to help you out.
But there are so many ways that sites can be done when you start combining Dreamweaver and Gallery, that it would be difficult to say what advice to give you or how to help without having access to the sites directly (via FTP), to see how it is constructed.
It looks like what he has done is set up gallery as the way to enter the photos into the system, and then he has hard coded in dreamweaver the links to the thumbnails and larger versions of the zoomed photo. This works quite well and the Intimate site looks quite nice. But it may make it difficult to maintain.
Also, on another note, neither of the sites is very search engine friendly, so if you wanted to get good SEO
, a lot of work still needs to be done.