iTunes has a nice context menu, where one can right click, and select "Show in Finder". In iPhoto, one must go to the "File" menu, "Reveal in Finder..." (Where "Original" and Modified" are available). ...
Currently, I have set up in Firefox an add-on which when right clicked on an image toggles and saves this image to a specified folder. I use these folders as a reference library, now on 20 odd folders ...
When opening files in Mac OS X, you get in addition to the normal file system browser a media browser that shows Movies, Music, and Photos. The Photos entry (at least on my system) consists solely of ...