David gets into the advantages of working with 16 bits per channel and a Popular Science article on image forgery, reviews the Bruce Fraser "Camera Raw for Photoshop" book, links Emerson Lake & Palmer to the Crystallize filter (no kidding!), and tells you why iStockphoto.com rocks (thanks to listener Sean Collins for the tip).

Yes, folks, Christopher Holland sent in the correct answer to the contest today. John Knoll established a loose rule that every filter name is a VERB. More to come later this week. Thanks for playing!

Here's the Photoshop 1.0 filter submenu. Note the location under the Image menu, instead of a discrete menu location as seen in later versions.
As of right now, no one has yet correctly answered the challenge: what do these filters - most of them - have in common? As mentioned on episode 3, John Knoll's rule was _loose_, so here's a clue: 6 of the 22 filters break this rule.

You can find the folks at Reindeer Graphics here , and the NIH software ImageJ here

This week, David shares his thoughts about the Adobe Stock Image collection, tells the sordid tale of Quark XPosure, discusses Hemera Photo Objects and quantitative image analysis. Also, win a signed copy of the cult collector's book "Photoshop Channel Chops" in the first Attention Photoshoppers! Photoshop Trivia contest.

There's an interview with me up on a cool blog called Visual Food. Read it here