1. Find "Photos & Camera"
2. Turn on Shared Photo Streams
Log on to iCloud if you're asked to do so.
3. Save setting
4. Find "Photo Stream"
5. Create new album
Key in the first letters of the contact you want to share the album with.
Matching contacts are displayed.
Repeat the procedure to add more contacts.
Press the indicator next to Public Website to turn on the function.
6. Add picture
Go to the required folder.