Debug info:

dveeden@galaxy:~$ f-spot --debug
** Running f-spot in Debug Mode **
** Running Mono with --debug   **
[1 Info  19:25:39.900] Initializing Mono.Addins
[1 Debug 19:25:40.201] Mono.Addins Initialization took 0.286591
[1 Debug 19:25:40.421] Db Initialization took 0.101696
[1 Debug 19:25:40.821] Query Started : SELECT * FROM photos  WHERE  photos.id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = 2) ORDER BY  time DESC, filename ASC 
[1 Debug 19:25:40.881] QueryToTemp took 0.05998 : SELECT * FROM photos  WHERE  photos.id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = 2) ORDER BY  time DESC, filename ASC 
[1 Debug 19:25:40.884] Reloading the query took 0.064413
[1 Debug 19:25:41.045] Query took 0.012706 : SELECT * FROM photoquery_temp_0 LIMIT 100 OFFSET 0
[1 Debug 19:25:41.157] Query Started : SELECT * FROM photos  WHERE  photos.id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = 2) ORDER BY  time DESC, filename ASC 
[2 Debug 19:25:41.162] PhotosPerMonth took 0.046566
[2 Debug 19:25:41.164] TimeAdaptor REAL Reload took 0.262394
[1 Debug 19:25:41.219] QueryToTemp took 0.061867 : SELECT * FROM photos  WHERE  photos.id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = 2) ORDER BY  time DESC, filename ASC 
[1 Debug 19:25:41.238] Query took 0.002095 : SELECT * FROM photoquery_temp_0 LIMIT 100 OFFSET 0
[1 Debug 19:25:41.301] Invalid thumbnail, reloading: file:///home/dveeden/Pictures/Foto's/2011/02/10/100%25network.jpg
[1 Warn  19:25:41.307] Caught an exception - System.Exception: Unsupported image: file:///home/dveeden/Pictures/Foto's/2011/02/10/100%25network.jpg (in `f-spot')
  at FSpot.Imaging.ImageFile.Create (Hyena.SafeUri uri) [0x00000] in <filename unknown>:0 
  at FSpot.Loaders.GdkImageLoader.Load (Hyena.SafeUri uri) [0x00000] in <filename unknown>:0 
  at FSpot.Widgets.PhotoImageView.Load (Hyena.SafeUri uri) [0x00000] in <filename unknown>:0 
  at FSpot.Widgets.PhotoImageView.HandlePhotoItemChanged (System.Object sender, FSpot.Core.BrowsablePointerChangedEventArgs args) [0x00000] in <filename unknown>:0 
[3 Debug 19:25:41.473] PhotosPerMonth took 0.031768
[3 Debug 19:25:41.474] TimeAdaptor REAL Reload took 0.252415
[1 Debug 19:25:41.900] Reloading the query took 0.743711

(f-spot:11697): GdkPixbuf-WARNING **: GdkPixbufLoader finalized without calling gdk_pixbuf_loader_close() - this is not allowed. You must explicitly end the data stream to the loader before dropping the last reference.
[4 Debug 19:25:42.067] Invalid thumbnail, reloading: file:///home/dveeden/Pictures/Foto's/2011/02/10/100%25network.jpg
[4 Debug 19:25:42.068] Failed loading image for thumbnailing: file:///home/dveeden/Pictures/Foto's/2011/02/10/100%25network.jpg
[4 Warn  19:25:42.069] Caught an exception - System.Exception: Unsupported image: file:///home/dveeden/Pictures/Foto's/2011/02/10/100%25network.jpg (in `f-spot')
  at FSpot.Imaging.ImageFile.Create (Hyena.SafeUri uri) [0x00000] in <filename unknown>:0 
  at FSpot.Driver.<Main>m__4F (Hyena.SafeUri uri) [0x00000] in <filename unknown>:0 
  at FSpot.Utils.XdgThumbnailSpec.CreateFrom (Hyena.SafeUri uri, Hyena.SafeUri thumb_uri, ThumbnailSize size, FSpot.Utils.PixbufLoader loader) [0x00000] in <filename unknown>:0 
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.ArgumentOutOfRangeException: Argument is out of range.
  at System.DateTime.DaysInMonth (Int32 year, Int32 month) [0x00000] in <filename unknown>:0 
  at FSpot.TimeAdaptor.DateFromIndexDescending (Int32 item) [0x00000] in <filename unknown>:0 
  at FSpot.TimeAdaptor.DateFromIndex (Int32 item) [0x00000] in <filename unknown>:0 
  at FSpot.TimeAdaptor.TickLabel (Int32 item) [0x00000] in <filename unknown>:0 
  at FSpot.GroupSelector.HandleAdaptorChanged (FSpot.GroupAdaptor adaptor) [0x00000] in <filename unknown>:0 
  at (wrapper delegate-invoke) FSpot.GroupAdaptor/ChangedHandler:invoke_void__this___GroupAdaptor (FSpot.GroupAdaptor)
  at FSpot.TimeAdaptor+<DoReload>c__AnonStorey19.<>m__6B () [0x00000] in <filename unknown>:0 
  at FSpot.Driver+<RunIdle>c__AnonStorey11.<>m__50 () [0x00000] in <filename unknown>:0 
  at GLib.Idle+IdleProxy.Handler () [0x00000] in <filename unknown>:0 
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at GLib.Idle+IdleProxy.Handler()
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at FSpot.Driver.Startup()
   at Hyena.Gui.CleanRoomStartup.Startup(Hyena.Gui.StartupInvocationHandler startup)
   at FSpot.Driver.Main(System.String[] args)
[5 Debug 19:25:42.226] Finalizer called on FSpot.Core.Category. Should be Disposed
[5 Debug 19:25:42.226] Finalizer called on FSpot.Core.Category. Should be Disposed
[5 Debug 19:25:42.226] Finalizer called on FSpot.Core.Category. Should be Disposed
[5 Debug 19:25:42.226] Finalizer called on FSpot.Core.Category. Should be Disposed
[5 Debug 19:25:42.226] Finalizer called on FSpot.Core.Category. Should be Disposed
[5 Debug 19:25:42.227] Finalizer called on FSpot.Core.Tag. Should be Disposed
[5 Debug 19:25:42.227] Finalizer called on FSpot.Widgets.Filmstrip. Should be Disposed
[5 Debug 19:25:42.228] Finalizer called on FSpot.PhotoView. Should be Disposed
[5 Debug 19:25:42.231] Finalizer called on FSpot.Database.Db. Should be Disposed
[5 Debug 19:25:42.232] Finalizer called on FSpot.Utils.DisposableCache`2[System.String,Gdk.Pixbuf]. Should be Disposed