Annise Parker is seen with NOH8 written on her cheek as she prepares for a live chat with chron.com. (Photo: Dwight Silverman)

The anticipation of a record turnout prompted the organizers of the NOH8 photo campaign to extend hours from 3-8 p.m. today at the University of Houston's central campus. But they weren't too busy for a stop at City Hall.

Mayor Annise Parker and her staff, including, Deputy Chief of Staff Madeleine Appel and council member Ellen Cohen, posed for photos earlier today at City Hall. Parker tweeted her appreciation for the support soon after the shoot.

Photos feature subjects with duct tape over their mouths, symbolizing their voices being silenced by Prop 8 and similar legislation around the world, with “NOH8” painted on one cheek in protest. The event is first come, first served. You’ll sign a release, receive a NOH8 temporary tattoo and listen for your number. The tattoo will be applied to your face, along with silver duct tape across your mouth. Bouska will take 5-10 frames of each person and retouch the final selection. Subjects are asked to wear a white shirt. Photos will be available in about eight weeks via

3-8 p.m. at the University of Houston — Central, 282 University Center. Solo portraits are $40, couple and group portraits are $25 per person.