Listed resolution shows as "not available"

[BoxOfSnoo]

I can't set any resolutions for my secondary display. Here's the output.

2012-10-03 00:07:38.467 screenresolution[59327:707] starting screenresolution argv=./screenresolution list 
Available Modes on Display 0
  2560x1440x16@0        2560x1440x32@0          2560x1440x30@0       
  1280x720x16@0         1280x720x32@0           1280x720x30@0        
  640x480x16@0          640x480x32@0            640x480x30@0         
  800x600x16@0          800x600x32@0            800x600x30@0         
  1024x768x16@0         1024x768x32@0           1024x768x30@0        
  1280x1024x16@0        1280x1024x32@0          1280x1024x30@0       
  1344x756x16@0         1344x756x32@0           1344x756x30@0        
  1600x900x16@0         1600x900x32@0           1600x900x30@0        
  1680x1050x16@0        1680x1050x32@0          1680x1050x30@0       
  1920x1080x16@0        1920x1080x32@0          1920x1080x30@0       
  1600x1200x16@0        1600x1200x32@0          1600x1200x30@0       
  1920x1200x16@0        1920x1200x32@0          1920x1200x30@0       
Available Modes on Display 1
  1920x1080x16@60       1920x1080x32@60         1920x1080x30@60      
  1280x720x16@60        1280x720x32@60          1280x720x30@60       
  720x480x16@60         720x480x32@60           720x480x30@60        
  640x480x16@60         640x480x32@60           640x480x30@60        
  720x576x16@50         720x576x32@50           720x576x30@50        
  1280x720x16@50        1280x720x32@50          1280x720x30@50       
  1920x1080x16@50       1920x1080x32@50         1920x1080x30@50      
  1920x1080x16@50       1920x1080x32@50         1920x1080x30@50      
  1920x1080x16@60       1920x1080x32@60         1920x1080x30@60      
  1366x768x16@60        1366x768x32@60          1366x768x30@60       
  1920x1080x16@60       1920x1080x32@60         1920x1080x30@60      
  800x600x16@60         800x600x32@60           800x600x30@60        
  1024x768x16@60        1024x768x32@60          1024x768x30@60       
  1024x576x16@60        1024x576x32@60          1024x576x30@60       
  1280x960x16@60        1280x960x32@60          1280x960x30@60       
  1344x1008x16@60       1344x1008x32@60         1344x1008x30@60      
  1344x756x16@60        1344x756x32@60          1344x756x30@60       
  1600x900x16@60        1600x900x32@60          1600x900x30@60       
megamind:screenresolution jonathan$ ./screenresolution set skip 1920x1080x16@60
2012-10-03 00:07:41.541 screenresolution[59329:707] starting screenresolution argv=./screenresolution set skip 1920x1080x16@60 
Skipping display 0
2012-10-03 00:07:41.546 screenresolution[59329:707] Error: mode [email protected] not available on display 1

I have Mountain Lion, could this be the problem?

Also, is there a way to select "720p" as displayed in the display resolution options (I know the resolution is 1280x720) as a shortcut?

[gobos]

i have the same issue. Seems project is dead :(. Found this https://github.com/jakehilborn/displayplacer