Download large cover art after successfilly downloading an audiobook.

Source/LibationWinForms/BookLiberation/ProcessorAutomationController.cs

@@ -201,7 +201,23 @@ namespace LibationWinForms.BookLiberation
 				var statusHandler = await Processable.ProcessSingleAsync(libraryBook, validate);
 
 				if (statusHandler.IsSuccess)
+				{
+					var destinationDir = AudibleFileStorage.Audio.GetDestinationDirectory(libraryBook);
+					var coverPath = FileManager.FileUtility.GetValidFilename(System.IO.Path.Combine(destinationDir, "Cover.jpg"), "", true);
+
+					try
+					{
+						var picBytes = PictureStorage.GetPictureSynchronously(new PictureDefinition(libraryBook.Book.PictureId_1215, PictureSize._1215x1215));
+						System.IO.File.WriteAllBytes(coverPath, picBytes);
+					}
+					catch(Exception ex)
+					{
+						LogMe.Error(ex.Message);
+					}
+					//Failure to download cover art should not be
+					//considered a failure to download the book
 					return true;
+				}
 
 				foreach (var errorMessage in statusHandler.Errors)
 					LogMe.Error(errorMessage);