// as a delegate we are being told a picture was taken
- (void)didTakePicture:(UIImage *)picture
{
    [self.capturedImages addObject:picture];
}

GNU gdb 6.3.50-20050815 (Apple version gdb-1518) (Sat Feb 12 02:52:12 UTC 2011)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
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Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin".Attaching to process 79426.
2011-07-06 15:04:53.265 PhotoPicker[79426:207] Using two-stage rotation animation. To use the smoother single-stage animation, this application must remove two-stage method implementations.
2011-07-06 15:04:53.268 PhotoPicker[79426:207] Using two-stage rotation animation is not supported when rotating more than one view controller or view controllers not the window delegate
2011-07-06 15:04:56.432 PhotoPicker[79426:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSMutableArray insertObject:atIndex:]: attempt to insert nil object at 0'
*** Call stack at first throw:
(
    0   CoreFoundation                      0x0255a919 __exceptionPreprocess + 185
    1   libobjc.A.dylib                     0x026a85de objc_exception_throw + 47
    2   CoreFoundation                      0x02554571 -[__NSArrayM insertObject:atIndex:] + 225
    3   CoreFoundation                      0x0254f9c4 -[__NSArrayM addObject:] + 68
    4   PhotoPicker                         0x00002d93 -[MyViewController didTakePicture:] + 65
    5   PhotoPicker                         0x00004442 -[OverlayViewController imagePickerController:didFinishPickingMediaWithInfo:] + 132
    6   UIKit                               0x00481a74 -[UIImagePickerController _imagePickerDidCompleteWithInfo:] + 139
    7   PhotoLibrary                        0x0c3c3070 PLNotifyImagePickerOfImageAvailability + 1746
    8   PhotoLibrary                        0x0c3d8891 -[PLUIAlbumViewController albumView:didTapPhotoAtIndex:] + 429
    9   PhotoLibrary                        0x0c426431 -[PLAlbumView _tapGesture:] + 385
    10  UIKit                               0x0052b394 -[UIGestureRecognizer _updateGestureWithEvent:] + 727
    11  UIKit                               0x00527bf3 -[UIGestureRecognizer _delayedUpdateGesture] + 47
    12  UIKit                               0x0052c486 _UIGestureRecognizerUpdateObserver + 637
    13  UIKit                               0x0052d798 _UIGestureRecognizerUpdateGesturesFromSendEvent + 51
    14  UIKit                               0x002dbbcd -[UIWindow _sendGesturesForEvent:] + 1292
    15  UIKit                               0x002d713a -[UIWindow sendEvent:] + 105
    16  UIKit                               0x002bb1ec -[UIApplication sendEvent:] + 447
    17  UIKit                               0x002bfac4 _UIApplicationHandleEvent + 7495
    18  GraphicsServices                    0x02dc0afa PurpleEventCallback + 1578
    19  CoreFoundation                      0x0253bdc4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
    20  CoreFoundation                      0x0249c737 __CFRunLoopDoSource1 + 215
    21  CoreFoundation                      0x024999c3 __CFRunLoopRun + 979
    22  CoreFoundation                      0x02499280 CFRunLoopRunSpecific + 208
    23  CoreFoundation                      0x024991a1 CFRunLoopRunInMode + 97
    24  GraphicsServices                    0x02dbf2c8 GSEventRunModal + 217
    25  GraphicsServices                    0x02dbf38d GSEventRun + 115
    26  UIKit                               0x002c3b58 UIApplicationMain + 1160
    27  PhotoPicker                         0x000031f8 main + 102
    28  PhotoPicker                         0x000027bd start + 53
    29  ???                                 0x00000001 0x0 + 1
)
terminate called after throwing an instance of 'NSException'
sharedlibrary apply-load-rules all
Current language:  auto; currently objective-c
(gdb)

Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSMutableArray insertObject:atIndex:]: attempt to insert nil object at 0'

[myPhotoLibrary dismissModalViewControllerAnimated:YES];

[myPhotoLibrary dismissModalViewControllerAnimated:NO];