Remote access to AirFlick

REMOTE REQUESTS:
com.sadun.airflick
RequestType := show-photo | play-media | screenshot
MediaLocation := 
    <url string> | <local file path string> | <array of local file path strings for slideshow>
Rotation := 0 | 1 | 2 | 3 (0 ^, 1 <, 2 v, 3 >)
Transition := SlideRight | Dissolve
SlideDuration := 2 | 3 | 5 | 8 | 10 (Use strings. Incorrect durations default to 5)
 
// Single Slide
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
     @"show-photo", @"RequestType", 
     @"/Users/ericasadun/Pictures/Spring 2010/EPho 3.JPG", @"MediaLocation",
     @"1", @"Rotation",
nil];
 
// Slideshow
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
    @"show-photo", @"RequestType", 
    array, @"MediaLocation",
    @"0", @"Rotation",
    @"dissolve", @"Transition",
    @"5", @"SlideDuration",
nil];

[[NSDistributedNotificationCenter defaultCenter] 
    postNotificationName:@"com.sadun.airflick" object:nil 
    userInfo:dict deliverImmediately:YES];	
 
// Onsite Video
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
     @"play-media", @"RequestType", 
     @"/Volumes/MusicAndData/Core Media/TV/Under Control.m4v", @"MediaLocation",
nil];

// Offsite Video
NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
     @"play-media", @"RequestType", 
     @"http://www.archive.org/download/bb_poor_cinderella/bb_poor_cinderella_512kb.mp4", 
        @"MediaLocation",
nil];
 
[[NSDistributedNotificationCenter defaultCenter] 
    postNotificationName:@"com.sadun.airflick" object:nil 
    userInfo:dict deliverImmediately:YES];

URL ACTIVATION: 

airflick://screenshot (NEW!)
airflick://play-media?MediaLocation=http://example.com/some.mp4
airflick://show-photo?MediaLocation=http://example.com/some.jpeg

where the media location is escaped