bug fixes

scancropper2.pde

@@ -96,7 +96,7 @@ void dropEvent(DropEvent theDropEvent) {
       println(droppedFiles);
       folderURI = droppedFiles[0].getParent();
       println(folderURI);
-
+      for (int i = covers.size(); i-- != 0; covers.remove(i));
       ArrayList<String> imgs = new ArrayList<String>();
       imageAmount = 0;
       for (int i = 0; i < droppedFiles.length; i++) {