Arty
A very fancy composite photo of dozens of aeroplanes taking off for the same stretch of runway.
‘9 to 5 Paintings’ is a collection of computer-activity visualisations made by tracking the path of a user’s mouse over the course of a day. There’s a tutorial here if you want to make your own.
Unable to afford (or otherwise, uh, “obtain”) a copy of Photoshop? Not to worry. With enough time and a truly frightening amount of OCD you to could become ridiculously good at using MSPaint. (It’s kind of the digital equivalent of building a French Dresser using nothing but a butterknife.)