EXIF/IPTC/XMP tagging of GPS coordinates, folksonomy tags, and other goodness is a nice idea, but unfortunately, iPhoto and Flickr don't play too well together. Couple this with the fact that any decent support those products now have is not included for photos already imported into them. So, here are some notes resulting from some experimentation, along with the Perl code I wrote along the way.
X11 Colors list for Mac OS X
A friend of mine is a recent newbie Mac user, after finally succumbing to the shiny white lure of the MacBook. As an expert Unix user, he was missing the old X11 colours list, because he can't have his terminal set up with a horrible shade of puce without having to work out the RGB values for it.