Firstly, I am using Aperture 3.4.3 on my iMac (OS X 10.7.5). From apperture I can not see the "shared" photo stream I joined or as well as those I created form my iPhone. In the Photostream panel of the aperture I do not see the check box to enable "shared" photostream. Eventhough the photstream is enable in both iCloud and Aperture.
How can I enable shared photostream ?