PhotoImpro with ShareMyShot service let the user share his favorite pictures with anybody all over the world.
Just select the image or region of the image and choose Tools > Share image....
PhotoImpro asks for the confirmation. After that the image will be uploaded on the server, and the user will see the following window:
"Direct link to" - this link is a direct reference on image data. For example the user can paste it into <img src=...
"Link to image page" - link on a generated html page with the image.