diff --git a/src/calibre/gui2/tweak_book/file_list.py b/src/calibre/gui2/tweak_book/file_list.py
index 2b55b991a2..2e42c97816 100644
--- a/src/calibre/gui2/tweak_book/file_list.py
+++ b/src/calibre/gui2/tweak_book/file_list.py
@@ -523,6 +523,9 @@ class FileList(QTreeWidget):
             m.addAction(QIcon(I('modified.png')), _('Change the file extension for the selected files'), self.request_change_ext)
             m.addAction(QIcon(I('trash.png')), ngettext(
                 '&Delete the selected file', '&Delete the {} selected files', num).format(num), self.request_delete)
+            m.addAction(QIcon(I('edit-copy.png')), ngettext(
+                '&Copy the selected file to another editor instance',
+                '&Copy the {} selected files to another editor instance', num).format(num), self.copy_selected_files)
             m.addSeparator()
 
         selected_map = defaultdict(list)
@@ -644,6 +647,9 @@ class FileList(QTreeWidget):
         ans.discard('')
         return ans
 
+    def copy_selected_files(self):
+        pass
+
     def request_delete(self):
         names = self.selected_names
         bad = names & current_container().names_that_must_not_be_removed
diff --git a/src/calibre/gui2/tweak_book/polish.py b/src/calibre/gui2/tweak_book/polish.py
index 83bc0af07e..1320203e5a 100644
--- a/src/calibre/gui2/tweak_book/polish.py
+++ b/src/calibre/gui2/tweak_book/polish.py
@@ -185,9 +185,10 @@ class CompressImages(Dialog):
         self.h2 = h = QHBoxLayout()
         l.addLayout(h)
         self.jq = jq = QSpinBox(self)
-        jq.setMinimum(0), jq.setMaximum(100), jq.setValue(80), jq.setEnabled(False)
+        jq.setMinimum(0), jq.setMaximum(100), jq.setValue(tprefs.get('jpeg_compression_quality_for_lossless_compression', 80)), jq.setEnabled(False)
         jq.setToolTip(_('The compression quality, 1 is high compression, 100 is low compression.\nImage'
                         ' quality is inversely correlated with compression quality.'))
+        jq.valueChanged.connect(self.save_compression_quality)
         el.toggled.connect(jq.setEnabled)
         self.jql = la = QLabel(_('Compression &quality:'))
         la.setBuddy(jq)
@@ -195,6 +196,9 @@ class CompressImages(Dialog):
         l.addStretch(10)
         l.addWidget(self.bb)
 
+    def save_compression_quality(self):
+        tprefs.set('jpeg_compression_quality_for_lossless_compression', self.jq.value())
+
     @property
     def names(self):
         return {item.text() for item in self.images.selectedItems()}