Yes, I know that the site layout is very basic, but it is the first edition and I will continue working on it. Thanks for your opinions. A border around the site is a good idea and I already think about that.
I don't know why the photo doesn't change. The site was tested by a number of people and all rollovers worked correctly.
On the Services pages the services menu replaces the main menu. Otherwise the buttons of main menu move down the service menu items. I found this solution on some other websites.
You talk about the phrase “Digital photo editing, portrait retouching, photo collages and photo art”? Why left? This text is a header part. When aligned left, it looks like the part of the page text.
I'm not sure I understand your question. On the Services page of the main menu only the intro information is placed. The services menu items refers to the service detailed description pages.