1. Select the items you want to add to My Photo Stream or a shared photo stream, and do one of the following:

   • Choose File > Share > iCloud.

   • Choose iCloud from the Share pop-up menu in the toolbar.

2. In the iCloud dialog, choose a shared photo stream from the Stream pop-up menu, and click OK.

1. In the Shared section of the Library inspector, select iCloud.

2. Double-click the shared photo stream containing the items you want to remove.

3. Select the items you want to remove and press Delete.

4. Click Delete Photos.

If you share a photo or video in a shared photo stream and then change or apply image adjustments to it, the newly changed item doesn’t automatically appear in the shared photo stream. You can either add it to the existing photo stream along with the older version, or you can delete the older version and replace it with the updated item.

1. In the Shared section of the Library inspector, select iCloud.

2. Double-click the shared photo stream containing the item you want to replace.

3. Select the photo or video you want to replace, press Delete, and then click Delete Photo in the dialog that appears.

4. In the Library inspector, select the project containing the updated photo, and select the item.

5. Choose iCloud from the Share pop-up menu in the toolbar.

   The iCloud dialog appears.

6. In the Stream pop-up menu, choose the shared photo stream that contained the photo you want to replace, and click OK.

The updated photo or video replaces the item you just removed.