Out of curiosity I tried to install these on a Windows platform to see how easy they were. Using ActiveState's PPM... very easy - just did a "search GD" and "search image" and they both showed up in that search. Then just "install GD" and "install Image-Magick" and in under a minute they were all installed.

Not too bad considering some of the headaches I've had and heard of on Linux systems.
But I must admit that having them all preinstalled like they are on my pair account is probably even easier <g>

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There are some odd things afoot now, in the Villa Straylight.