TaskTracker can provide image previews for most standard image files (GIF, JPG, BMP, PNG, TIF, and others).
To view an
image preview
Right-click a file and select View
Image or press Ctrl+M.
You can resize the image preview window from a thumbnail to full size.
The preview window remains open until you close it or select a non-image file.
To autoshow image preview
Select Autoshow Image Previews from the Preferences menu.
The preview window automatically opens whenever you select a valid image file and closes when a non-image file is selected.