© Carli Davidson

A portrait of Mane, a Dogue de Bordeaux. The disproportionately large head of this breed makes it an ideal candidate for Carli Davidson’s series “Shake,” an exploration of the unique shapes and textures created when dogs shake their heads. More images from Davidson’s series can be seen in the PDN Faces 2011 online gallery.

© Mark Zibert

Terry Gilliam displays the understated British humour that he was renown for as part of Monty Python. More portraits of Gilliam by Mark Zibert can be seen in the winners gallery of the 2010 Faces portrait photography contest. The 2011 Contest is currently open for entries until May 10, but enter today to avoid late fees. A People’s Choice winner will also be selected.

© Jeremy Underwood

A confident bride stands atop an ominous staircase in a portrait by Jeremy Underwood. This image was included in the winners gallery of the 2010 Top Knots wedding photography contest. The 2011 Contest is currently open for entries until January 11. A People’s Choice winner will also be selected.

© Kamran Khan

Kamran Khan suffers for his art at the feet of his feline foe. “Cheezburger Fight 3″ is part of Khan’s self-portrait series, “Life Begins at 2 A.M.” More images from this series can be seen in the Pix Digital Imaging Contest 2010 online gallery.

© Matt Hoyle / Fast Company magazine

Matt Hoyle photographed Eugene Mirman, the Godfather of Web-based comedy, for a piece in Fast Company magazine. Hoyle shot Mirman in the studio, then composited that image with a CGI background that he created himself.

Hoyle’s image was included in the winners gallery of the 2009 PDN PIX Digital Imaging Contest. The 2010 Contest is currently open for entries until August 16, but enter today to avoid late fees. A People’s Choice winner will also be selected.