Hi I am new to this forum so didn't really know where to post this. I'm looking for some help if someone can tell me what has happened since I brought OS X Lion. I used to be able to change the resolution of my pictures using preview. But since the update I can't any more and need to use it for various things. I have tried using photoshop and Iphoto to do the things i need but just can't get it to do what I want. So if some one can tell me how to get that back that will be great