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My colleague Alan Dodd (who works as the technology lead for Unix/Linux at the same company where I look after the Microsoft infrastructure) let me in on the source for his super-cool presentation graphics this week… Gnome/KDE icon sets! Sites like GNOME Look and KDE Look are full of fantastic artwork (some of it scalable), much of which is available under various copyleft licensing agreements and is great for illustrating otherwise dull PowerPoint slides that try to explain IT infrastructure concepts.