You can do the following things to achieve this : 1. Create php script to upload image and then save it to your webserver. 2. Save the names of the photo in th

You can do the following things to achieve this : 1. Create php script to upload image and then save it to your webserver. 2. Save the names of the photo in the database with a single random string to identify the photos. 3. Read this random string to identify and display the images (or create a download link for the images) 4. Share this URL with your friends. Its just my opinion, I am looking for what other have to say.