Sally: Plugins: PictView: Using PictView Plugin: Advanced Features
Renaming File
You can easily rename the image file currently opened in the viewer.
To rename file:
Open the Rename File dialog box:
Viewer menu:
File/Rename...
Viewer shortcut key:
F2
Viewer context menu:
Right-click image and choose Rename...
Enter a new filename.
Click the OK button.