I'm afraid I'm having a Windows user moment. Sometimes I still fail to do things the easy, intuitive way, even after roughly 4 years in OS X. I have 5 hard drives in my Mac Pro, one of them is my boot Intel SSD. I want that icon to be distinct from the others (another is a Time Machine drive). I've downloaded two files that would work for me, one was a png and the other a .ico file, but when I copy the icon from the top left corner of the 'get info' pane on the desired file, and then paste it int he correlating top left corner of the SSD 'get info' pane, it pastes the generic PNG or ICO icon, not the actual icon image I desire. What am I doing wrong? I already feel stupid, I've watched videos, read Apple 101 URLs, but they all assume that I have a desired Icon that OS X sees as an icon, if that makes sense. Thanks MacRumors community!