Sample service that lists Activities, based on example code from
flickr4java. You will get standard out like this:

Item 1/2 type: photo
Item-id:       11412337416

Event 1/9 of Item 2
Event-type: comment
User:       55999344@N11
Username:   John Doe
Value:      Xxoo

Event 2/9 of Item 2
Event-type: comment
User:       91347330@N44
Username:   doodly
Value:      A book cover!.........there's a story here!
Event 5/9 of Item 2
Event-type: comment
User:       391984292@N22
Username:   chumpy
Value:      great capture