The search didn't take long. The Daniel Morin Home Page extended me a very nice welcome, showed me a good-looking photograph and generally came across as a very professional site. Most important it led me to exactly what I was seeking. Generations is a program I wrote to build genealogy trees and with scanned photos. This collection of linked pages is one of the best laid out and organised descriptions of a program I have ever seen.
Screen shots abound, the FAQ section is superb and everything is very detailed.
Every author's home page should be this good. One feature leapt out at me immediately. Multiple page printing. Generations can print a genealogy tree up to a maximum of 22,500 pages. I can assure you he is very committed to ongoing development of the program.