Delete photo's off MacBook but not off iCloud photo stream

[30Two]

I put photo's onto my iMac and they have been syncing over iCloud onto my MacBook Air but now I'm getting an error message on my Macbook saying my startup disk is almost full. If I open up iPhoto on my MacBook and turn off photo stream, I should be able to delete photo's without them deleting off my iMac right?

 

[Nipperserphil]

I have noticed that deleting a photo from within Photos Moments on the Mac now also deletes it from 'My Photostream' too.

Not sure if the same behaviour affects 'shared photosteams' or whatever they are called these days though.

Personally I quite like this behaviour, but then again I'm not using 'My Photostream' as a cloud storage option. I just use it as a way to get photos taken on iOS devices to my mac.